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  • 851. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hansen, C.J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Zwalinski, L.
    Measurement of the production cross section for W-bosons in association with jets in pp collisions at root s=7 TeV with the ATLAS detector2011In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 698, no 5, p. 325-345Article in journal (Refereed)
    Abstract [en]

    This Letter reports on a first measurement of the inclusive W + jets cross section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC, with the ATLAS detector. Cross sections, in both the electron and muon decay modes of the W-boson, are presented as a function of jet multiplicity and of the transverse momentum of the leading and next-to-leading jets in the event. Measurements are also presented of the ratio of cross sections sigma (W + >= n)/sigma(W + >= n - 1) for inclusive jet multiplicities n = 1-4. The results, based on an integrated luminosity of 1.3 pb(-1), have been corrected for all known detector effects and are quoted in a limited and well-defined range of jet and lepton kinematics. The measured cross sections are compared to particle-level predictions based on perturbative QCD. Next-to-leading order calculations, studied here for n <= 2, are found in good agreement with the data. Leading-order multiparton event generators, normalized to the NNLO total cross section, describe the data well for all measured jet multiplicities.

  • 852. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Coniavitis, Elias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Flechl, M
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Zutshi, V.
    Drift Time Measurement in the ATLAS Liquid Argon Electromagnetic Calorimeter using Cosmic Muons2010In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 70, no 3, p. 755-785Article in journal (Refereed)
    Abstract [en]

    The ionization signals in the liquid argon of the ATLAS electromagnetic calorimeter are studied in detail using cosmic muons. In particular, the drift time of the ionization electrons is measured and used to assess the intrinsic uniformity of the calorimeter gaps and estimate its impact on the constant term of the energy resolution. The drift times of electrons in the cells of the second layer of the calorimeter are uniform at the level of 1.3% in the barrel and 2.8% in the endcaps. This leads to an estimated contribution to the constant term of (0.29(-0.04)(+0.05))% in the barrel and (0.54(-0.04)(+0.06))% in the endcaps. The same data are used to measure the drift velocity of ionization electrons in liquid argon, which is found to be 4.61 +/- 0.07 mm/mu s at 88.5 K and 1 kV/mm.

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  • 853. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Coniavitis, Elias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Flechl, M
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Zutshi, V.
    Readiness of the ATLAS liquid argon calorimeter for LHC collisions2010In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 70, no 3, p. 723-753Article in journal (Refereed)
    Abstract [en]

    The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been connected to the ATLAS readout system in preparation for LHC collisions. This paper gives an overview of the liquid argon calorimeter performance measured in situ with random triggers, calibration data, cosmic muons, and LHC beam splash events. Results on the detector operation, timing performance, electronics noise, and gain stability are presented. High energy deposits from radiative cosmic muons and beam splash events allow to check the intrinsic constant term of the energy resolution. The uniformity of the electromagnetic barrel calorimeter response along eta (averaged over phi) is measured at the percent level using minimum ionizing cosmic muons. Finally, studies of electromagnetic showers from radiative muons have been used to cross-check the Monte Carlo simulation. The performance results obtained using the ATLAS readout, data acquisition, and reconstruction software indicate that the liquid argon calorimeter is well-prepared for collisions at the dawn of the LHC era.

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  • 854. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Coniavitis, Elias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Flechl, M
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Zutshi, V.
    The ATLAS Simulation Infrastructure2010In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 70, no 3, p. 823-874Article in journal (Refereed)
    Abstract [en]

    The simulation software for the ATLAS Experiment at the Large Hadron Collider is being used for large-scale production of events on the LHC Computing Grid. This simulation requires many components, from the generators that simulate particle collisions, through packages simulating the response of the various detectors and triggers. All of these components come together under the ATLAS simulation infrastructure. In this paper, that infrastructure is discussed, including that supporting the detector description, interfacing the event generation, and combining the GEANT4 simulation of the response of the individual detectors. Also described are the tools allowing the software validation, performance testing, and the validation of the simulated output against known physics processes.

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  • 855. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Coniavitis, Elias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Flechl, M
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Zutshia, V.
    Commissioning of the ATLAS Muon Spectrometer with cosmic rays2010In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 70, no 3, p. 875-916Article in journal (Refereed)
    Abstract [en]

    The ATLAS detector at the Large Hadron Collider has collected several hundred million cosmic ray events during 2008 and 2009. These data were used to commission the Muon Spectrometer and to study the performance of the trigger and tracking chambers, their alignment, the detector control system, the data acquisition and the analysis programs. We present the performance in the relevant parameters that determine the quality of the muon measurement. We discuss the single element efficiency, resolution and noise rates, the calibration method of the detector response and of the alignment system, the track reconstruction efficiency and the momentum measurement. The results show that the detector is close to the design performance and that the Muon Spectrometer is ready to detect muons produced in high energy proton-proton collisions.

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  • 856. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hansen, C. J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Measurement of the top quark-pair production cross section with ATLAS in pp collisions at root s=7 TeV2011In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 71, no 3, p. 1577-Article in journal (Refereed)
    Abstract [en]

    A measurement of the production cross-section for top quark pairs (t (t) over bar) in pp collisions at root s = 7 TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in two different topologies: single lepton (electron e or muon mu) with large missing transverse energy and at least four jets, and dilepton (ee, mu mu or e mu) with large missing transverse energy and at least two jets. In a data sample of 2.9 pb(-1), 37 candidate events are observed in the single-lepton topology and 9 events in the dilepton topology. The corresponding expected backgrounds from non-t (t) over bar Standard Model processes are estimated using data-driven methods and determined to be 12.2 +/- 3.9 events and 2.5 +/- 0.6 events, respectively. The kinematic properties of the selected events are consistent with SM t (t) over bar production. The inclusive top quark pair production cross-section is measured to be sigma(t (t) over bar) = 145 +/- 31 (stat.)(-27)(+42) (syst.) pb. The measurement agrees with perturbative QCD calculations.

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  • 857. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hansen, C. J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Measurements of underlying-event properties using neutral and charged particles in pp collisions at root s=900 GeV and root s=7 TeV with the ATLAS detector at the LHC2011In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 71, no 5, p. 1636-Article in journal (Refereed)
    Abstract [en]

    We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters. Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV. Events were selected using a minimum-bias trigger which required a charged particle in scintillation counters on either side of the interaction point. Particle flows, sensitive to the underlying event, are measured using clusters of energy in the ATLAS calorimeters, taking advantage of their fine granularity. No Monte Carlo generator used in this analysis can accurately describe the measurements. The results are independent of those based on charged particles measured by the ATLAS tracking systems and can be used to constrain the parameters of Monte Carlo generators.

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  • 858. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hansen, C J
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Search for high mass dilepton resonances in pp collisions at root s=7 TeV with the ATLAS experiment2011In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 700, no 3-4, p. 163-180Article in journal (Refereed)
    Abstract [en]

    This Letter presents a search for high mass e(+)e(-) or mu(+)mu(-) resonances in pp collisions at root s = 7 TeV at the LHC. The data were recorded by the ATLAS experiment during 2010 and correspond to a total integrated luminosity of similar to 40 pb(-1). No statistically significant excess above the Standard Model expectation is observed in the search region of dilepton invariant mass above 110 GeV. Upper limits at the 95% confidence level are set on the cross section times branching ratio of Z' resonances decaying to dielectrons and dimuons as a function of the resonance mass. A lower mass limit of 1.048 TeV on the Sequential Standard Model Z' boson is derived, as well as mass limits on Z* and E(6)-motivated Z' models.

  • 859. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hansen, C. J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Search for lepton flavour violation in the e mu continuum with the ATLAS detector in root s=7 TeV pp collisions at the LHC2012In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 72, no 6, p. 2040-Article in journal (Refereed)
    Abstract [en]

    This paper presents a search for the t-channel exchange of an R-parity violating scalar top quark ((t) over tilde) in the e(+/-)mu(-/+) continuum using 2.1 fb(-1) of data collected by the ATLAS detector in root s = 7 TeV pp collisions at the Large Hadron Collider. Data are found to be consistent with the expectation from the Standard Model backgrounds. Limits on R-parity-violating couplings at 95 % C.L. are calculated as a function of the scalar top mass (m((t) over tilde)). The upper limits on the production cross section for pp -> e mu X, through the t-channel exchange of a scalar top quark, ranges from 170 fb for m((t) over tilde) = 95 GeV to 30 fb for m((t) over tilde) = 1000 GeV.

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  • 860. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hansen, C.J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Measurement of the W -> lv and Z/gamma* -> ll production cross sections in proton-proton collisions at root s=7 TeV with the ATLAS detector2010In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 12, article id 060Article in journal (Refereed)
    Abstract [en]

    First measurements of the W -> lv and Z/gamma* -> ll (l = e; mu) production cross sections in proton-proton collisions at root s = 7 TeV are presented using data recorded by the ATLAS experiment at the LHC. The results are based on 2250 W -> lv and 179 Z/gamma* -> ll candidate events selected from a data set corresponding to an integrated luminosity of approximately 320 nb(-1). The measured total W and Z/gamma*-boson production cross sections times the respective leptonic branching ratios for the combined electron and muon channels are sigma(tot)(W) center dot BR(W -> lv) = 9.96 +/- 0.23(stat) +/- 0.50(syst) +/- 1.10(lumi) nb and sigma(tot)(Z) center dot BR(Z/gamma* -> ll) = 0.82 +/- 0.06 (stat) +/- 0.05 (syst) +/- 0.09 (lumi) nb (within the invariant mass window 66 < m(ll) < 116 GeV). The W/Z cross-section ratio is measured to be 11.7 +/- 0.9(stat) +/- 0.4(syst). In addition, measurements of the W+ and W- production cross sections and of the lepton charge asymmetry are reported. Theoretical predictions based on NNLO QCD calculations are found to agree with the measurements.

  • 861. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Odaka, S.
    Inclusive search for same-sign dilepton signatures in pp collisions at root s=7 TeV with the ATLAS detector2011In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 10, p. 107-Article in journal (Refereed)
    Abstract [en]

    An inclusive search is presented for new physics in events with two isolated leptons (e or mu) having the same electric charge. The data are selected from events collected from p p collisions at root s = 7 TeV by the ATLAS detector and correspond to an integrated luminosity of 34 pb(-1). The spectra in dilepton invariant mass, missing transverse momentum and jet multiplicity are presented and compared to Standard Model predictions. In this event sample, no evidence is found for contributions beyond those of the Standard Model. Limits are set on the cross-section in a fiducial region for new sources of same-sign high-mass dilepton events in the ee, e mu and mu mu channels. Four models predicting same-sign dilepton signals are constrained: two descriptions of Majorana neutrinos, a cascade topology similar to supersymmetry or universal extra dimensions, and fourth generation d-type quarks. Assuming a new physics scale of 1 TeV, Majorana neutrinos produced by an effective operator V with masses below 460 GeV are excluded at 95% confidence level. A lower limit of 290 GeV is set at 95% confidence level on the mass of fourth generation d-type quarks.

  • 862. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Measurement of the pseudorapidity and transverse momentum dependence of the elliptic flow of charged particles in lead-lead collisions at root s(NN)=2.76 TeV with the ATLAS detector2012In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 707, no 3-4, p. 330-348Article in journal (Refereed)
    Abstract [en]

    This Letter describes the measurement of elliptic flow of charged particles in lead-lead collisions at root s(NN) = 2.76 TeV using the ATLAS detector at the Large Hadron Collider (LHC). The results are based on an integrated luminosity of approximately 7 mu b(-1). Elliptic flow is measured over a wide region in pseudorapidity, vertical bar eta vertical bar < 2.5, and over a broad range in transverse momentum, 0.5 < p(T) < 20 GeV. The elliptic flow parameter nu(2) is obtained by correlating individual tracks with the event plane measured using energy deposited in the forward calorimeters. As a function of transverse momentum, nu(2)(p(T)) reaches a maximum at p(T) of about 3 GeV. then decreases and becomes weakly dependent on p(T) above 7-8 GeV. Over the measured pseudorapidity region, nu(2) is found to be only weakly dependent on eta, with less variation than observed at lower beam energies. The results are discussed in the context of previous measurements at lower collision energies, as well as recent results from the LHC.

  • 863. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Measurement of W gamma and Z gamma production in proton-proton collisions at root s=7 TeV with the ATLAS detector2011In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 9, p. 072-Article in journal (Refereed)
    Abstract [en]

    We present studies of W and Z bosons with associated high energy photons produced in pp collisions at root s = 7 TeV. The analysis uses 35 pb(-1) of data collected by the ATLAS experiment in 2010. The event selection requires W and Z bosons decaying into high pT leptons (electrons or muons) and a photon with E(T) > 15 GeV separated from the lepton(s) by a distance Delta R(l, gamma) > 0.7 in eta-phi space. A total of 95 (97) pp -> e(+/-)nu gamma + X (pp -> mu(+/-)nu gamma + X) and 25 (23) pp -> e(+)e(-)gamma + X (pp -> mu(+)mu(-)gamma + X) event candidates are selected. The kinematic distributions of the leptons and photons and the production cross sections are measured. The data are found to agree with Standard Model predictions that include next-to-leading-order O(alpha alpha(s)) contributions.

  • 864. Aad, G.
    et al.
    Bélanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Performance of the ATLAS Trigger System in 20102012In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 72, no 1, p. 1849-Article in journal (Refereed)
    Abstract [en]

    Proton-proton collisions at root s = 7 TeV and heavy ion collisions at root(NN)-N-s = 2.76 TeV were produced by the LHC and recorded using the ATLAS experiment's trigger system in 2010. The LHC is designed with a maximum bunch crossing rate of 40 MHz and the ATLAS trigger system is designed to record approximately 200 of these per second. The trigger system selects events by rapidly identifying signatures of muon, electron, photon, tau lepton, jet, and B meson candidates, as well as using global event signatures, such as missing transverse energy. An overview of the ATLAS trigger system, the evolution of the system during 2010 and the performance of the trigger system components and selections based on the 2010 collision data are shown. A brief outline of plans for the trigger system in 2011 is presented.

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    fulltext
  • 865. Aad, G.
    et al.
    Kuutmann Bergeås, Elin
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Gradin, P. O. Joakim
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Isaksson, Charlie
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Öhman, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Pelikan, Daniel
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Rangel-Smith, Camilla
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Measurements of top-quark pair differential cross-sections in the lepton plus jets channel in pp collisions at root s=8 TeV using the ATLAS detector2016In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 76, no 10, article id 538Article in journal (Refereed)
    Abstract [en]

    Measurements of normalized differential cross-sections of top-quark pair production are presented as a function of the top-quark, t (t) over bar system and event-level kinematic observables in proton-proton collisions at a centre-of-mass energy of root s = 8 TeV. The observables have been chosen to emphasize the t (t) over bar production process and to be sensitive to effects of initial-and final-state radiation, to the different parton distribution functions, and to non-resonant processes and higher-order corrections. The dataset corresponds to an integrated luminosity of 20.3 fb(-1), recorded in 2012 with the ATLAS detector at the CERN Large Hadron Collider. Events are selected in the lepton+jets channel, requiring exactly one charged lepton and at least four jets with at least two of the jets tagged as originating from a b-quark. The measured spectra are corrected for detector effects and are compared to several Monte Carlo simulations. The results are in fair agreement with the predictions over a wide kinematic range. Nevertheless, most generators predict a harder top-quark transverse momentum distribution at high values than what is observed in the data. Predictions beyond NLO accuracy improve the agreement with data at high top-quark transverse momenta. Using the current settings and parton distribution functions, the rapidity distributions are not well modelled by any generator under consideration. However, the level of agreement is improved when more recent sets of parton distribution functions are used.

    Download full text (pdf)
    fulltext
  • 866. Aad, G.
    et al.
    Kuutmann, Elin Bergeås
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrando, J
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Isaksson, Charlie
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Madsen, Alexander
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Öhman, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Pelikan, Daniel
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Rangel-Smith, Camila
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    Measurement of Spin Correlation in Top-Antitop Quark Events and Search for Top Squark Pair Production in pp Collisions at root s=8 TeV Using the ATLAS Detector2015In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 114, no 14, article id 142001Article in journal (Refereed)
    Abstract [en]

    A measurement of spin correlation in t (t) over bar production is presented using data collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 20.3 fb(-1). The correlation between the top and antitop quark spins is extracted from dilepton t (t) over bar events by using the difference in the azimuthal angle between the two charged leptons in the laboratory frame. In the helicity basis the measured degree of correlation corresponds to A(helicity) = 0.38 +/- 0.04, in agreement with the standard model prediction. A search is performed for pair production of top squarks with masses close to the top quark mass decaying to predominantly right-handed top quarks and a light neutralino, the lightest supersymmetric particle. Top squarks with masses between the top quark mass and 191 GeV are excluded at the 95% confidence level.

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    fulltext
  • 867. Aad, L.
    et al.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ferrari, Arnaud
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Isaksson, Charlie
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Pelikan, Daniel
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zwalinski, L.
    A search for t(t)over-bar resonances in lepton plus jets events with highly boosted top quarks collected in pp collisions at root s=7 TeV with the ATLAS detector2012In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 9, p. 041-Article in journal (Refereed)
    Abstract [en]

    A search for resonant production of high-mass top-quark pairs is performed on 2.05 fb(-1) of proton-proton collisions at root s = 7 TeV collected in 2011 with the ATLAS experiment at the Large Hadron Collider. This analysis of the lepton+jets final state is specifically designed for the particular topology that arises from the decay of highly boosted top quarks. The observed t (t) over bar invariant mass spectrum is found to be compatible with the Standard Model prediction and 95% credibility level upper limits are derived on the t (t) over bar production rate through new massive states. An upper limit of 0.7 pb is set on the production cross section times branching fraction of a narrow 1 TeV resonance. A Kaluza-Klein gluon with a mass smaller than 1.5 TeV is excluded.

  • 868. Abdallah, J.
    et al.
    Abreu, P.
    Adam, W.
    Adzic, P.
    Albrecht, T.
    Alderweireld, T.
    Alemany-Fernandez, R.
    Allmendinger, T.
    Allport, P. P.
    Amaldi, U.
    Amapane, N.
    Amato, S.
    Anashkin, E.
    Andreazza, A.
    Andringa, S.
    Anjos, N.
    Antilogus, P.
    Apel, W. -D
    Arnoud, Y.
    Ask, S.
    Asman, B.
    Augustin, J. E.
    Augustinus, A.
    Baillon, P.
    Ballestrero, A.
    Bambade, P.
    Barbier, R.
    Bardin, D.
    Barker, G. J.
    Baroncelli, A.
    Battaglia, M.
    Baubillier, M.
    Becks, K. -H
    Begalli, M.
    Behrmann, A.
    Ben-Haim, E.
    Benekos, N.
    Benvenuti, A.
    Berat, C.
    Berggren, M.
    Berntzon, L.
    Bertrand, D.
    Besancon, M.
    Besson, N.
    Bloch, D.
    Blom, M.
    Bluj, M.
    Bonesini, M.
    Boonekamp, M.
    Booth, P. S. L.
    Borisov, G.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Bouquet, B.
    Bowcock, T. J. V.
    Boyko, I.
    Bracko, M.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brodet, E.
    Bruckman, P.
    Brunet, J. M.
    Buschbeck, B.
    Buschmann, P.
    Calvi, M.
    Camporesi, T.
    Canale, V.
    Carena, F.
    Castro, N.
    Cavallo, F.
    Chapkin, M.
    Charpentier, Ph.
    Checchia, P.
    Chierici, R.
    Chliapnikov, P.
    Chudoba, J.
    Chung, S. U.
    Cieslik, K.
    Collins, P.
    Contri, R.
    Cosme, G.
    Cossutti, F.
    Costa, M. J.
    Crennell, D.
    Cuevas, J.
    D'Hondt, J.
    Dalmau, J.
    da Silva, T.
    Da Silva, W.
    Della Ricca, G.
    De Angelis, A.
    De Boer, W.
    De Clercq, C.
    De Lotto, B.
    De Maria, N.
    De Min, A.
    de Paula, L.
    Di Ciaccio, L.
    Di Simone, A.
    Doroba, K.
    Drees, J.
    Eigen, G.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Elsing, M.
    Santo, M. C. Espirito
    Fanourakis, G.
    Fassouliotis, D.
    Feindt, M.
    Fernandez, J.
    Ferrer, A.
    Ferro, F.
    Flagmeyer, U.
    Foeth, H.
    Fokitis, E.
    Fulda-Quenzer, F.
    Fuster, J.
    Gandelman, M.
    Garcia, C.
    Gavillet, Ph.
    Gazis, E.
    Gokieli, R.
    Golob, B.
    Gomez-Ceballos, G.
    Goncalves, P.
    Graziani, E.
    Grosdidier, G.
    Grzelak, K.
    Guy, J.
    Haag, C.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hamacher, K.
    Hamilton, K.
    Haug, S.
    Hauler, F.
    Hedberg, V.
    Hennecke, M.
    Herr, H.
    Hoffman, J.
    Holmgren, S. -O
    Holt, P. J.
    Houlden, M. A.
    Jackson, J. N.
    Jarlskog, G.
    Jarry, P.
    Jeans, D.
    Johansson, E. K.
    Johansson, P. D.
    Jonsson, P.
    Joram, C.
    Jungermann, L.
    Kapusta, F.
    Katsanevas, S.
    Katsoufis, E.
    Kernel, G.
    Kersevan, B. P.
    Kerzel, U.
    King, B. T.
    Kjaer, N. J.
    Kluit, P.
    Kokkinias, P.
    Kourkoumelis, C.
    Kouznetsov, O.
    Krumstein, Z.
    Kucharczyk, M.
    Lamsa, J.
    Leder, G.
    Ledroit, F.
    Leinonen, L.
    Leitner, R.
    Lemonne, J.
    Lepeltier, V.
    Lesiak, T.
    Liebig, W.
    Liko, D.
    Lipniacka, A.
    Lopes, J. H.
    Lopez, J. M.
    Loukas, D.
    Lutz, P.
    Lyons, L.
    MacNaughton, J.
    Malek, A.
    Maltezos, S.
    Mandl, F.
    Marco, J.
    Marco, R.
    Marechal, B.
    Margoni, M.
    Marin, J. -C
    Mariotti, C.
    Markou, A.
    Martinez-Rivero, C.
    Masik, J.
    Mastroyiannopoulos, N.
    Matorras, F.
    Matteuzzi, C.
    Mazzucato, F.
    Mazzucato, M.
    Mc Nulty, R.
    Meroni, C.
    Migliore, E.
    Mitaroff, W.
    Mjoernmark, U.
    Moa, T.
    Moch, M.
    Moenig, K.
    Monge, R.
    Montenegro, J.
    Moraes, D.
    Moreno, S.
    Morettini, P.
    Mueller, U.
    Muenich, K.
    Mulders, M.
    Mundim, L.
    Murray, W.
    Muryn, B.
    Myatt, G.
    Myklebust, T.
    Nassiakou, M.
    Navarria, F.
    Nawrocki, K.
    Nicolaidou, R.
    Nikolenko, M.
    Niss, P.
    Oblakowska-Mucha, A.
    Obraztsov, V.
    Olshevski, A.
    Onofre, A.
    Orava, R.
    Osterberg, K.
    Ouraou, A.
    Oyanguren, A.
    Paganoni, M.
    Paiano, S.
    Palacios, J. P.
    Palka, H.
    Papadopoulou, Th. D.
    Pape, L.
    Parkes, C.
    Parodi, F.
    Parzefall, U.
    Passeri, A.
    Passon, O.
    Peralta, L.
    Perepelitsa, V.
    Perrotta, A.
    Petrolini, A.
    Piedra, J.
    Pieri, L.
    Pierre, F.
    Pimenta, M.
    Piotto, E.
    Podobnik, T.
    Poireau, V.
    Pol, M. E.
    Polok, G.
    Pozdniakov, V.
    Pukhaeva, N.
    Pullia, A.
    Rames, J.
    Read, A.
    Rebecchi, P.
    Rehn, J.
    Reid, D.
    Reinhardt, R.
    Renton, P.
    Richard, F.
    Ridky, J.
    Rivero, M.
    Rodriguez, D.
    Romero, A.
    Ronchese, P.
    Roudeau, P.
    Rovelli, T.
    Ruhlmann-Kleider, V.
    Ryabtchikov, D.
    Sadovsky, A.
    Salmi, L.
    Salt, J.
    Sander, C.
    Savoy-Navarro, A.
    Schwickerath, U.
    Sekulin, R.
    Siebel, M.
    Sisakian, A.
    Smadja, G.
    Smirnova, O.
    Sokolov, A.
    Sopczak, A.
    Sosnowski, R.
    Spassov, T.
    Stanitzki, M.
    Stocchi, A.
    Strauss, J.
    Stugu, B.
    Szczekowski, M.
    Szeptycka, M.
    Szumlak, T.
    Tabarelli, T.
    Taffard, A. C.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Timmermans, J.
    Tkatchev, L.
    Tobin, M.
    Todorovova, S.
    Tome, B.
    Tonazzo, A.
    Tortosa, P.
    Travnicek, P.
    Treille, D.
    Tristram, G.
    Trochimczuk, M.
    Troncon, C.
    Turluer, M. -L
    Tyapkin, I. A.
    Tyapkin, P.
    Tzamarias, S.
    Uvarov, V.
    Valenti, G.
    Van Dam, P.
    Van Eldik, J.
    Van Remortel, N.
    Van Vulpen, I.
    Vegni, G.
    Veloso, F.
    Venus, W.
    Verdier, P.
    Verzi, V.
    Vilanova, D.
    Vitale, L.
    Vrba, V.
    Wahlen, H.
    Walck, C.
    Washbrook, A. J.
    Weiser, C.
    Wicke, D.
    Wickens, J.
    Wilkinson, G.
    Winter, M.
    Witek, M.
    Yushchenko, O.
    Zalewska, A.
    Zalewski, P.
    Zavrtanik, D.
    Zhuravlov, V.
    Zimin, N. I.
    Zintchenko, A.
    Zupan, M.
    Masses, lifetimes and production rates of Xi(-) and Xi(+) at LEP 12006In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 639, no 3-4, p. 179-191Article in journal (Refereed)
    Abstract [en]

    Measurements of the Xi(-) and (Xi) over bar (+) masses, mass differences, lifetimes and lifetime differences are presented. The (Xi) over bar (+) sample used is much larger than those used previously for such measurements. In addition, the S production rates in Z -> b (b) over bar and Z -> q (q) over bar events are compared and the position xi* of the maximum of the distribution in Z -> q (q) over bar events is measured.

  • 869. Abdallah, J.
    et al.
    Abreu, P.
    Adam, W.
    Adzic, P.
    Albrecht, T.
    Alderweireld, T.
    Alemany-Fernandez, R.
    Allmendinger, T.
    Allport, P. P.
    Amaldi, U.
    Amapane, N.
    Amato, S.
    Anashkin, E.
    Andreazza, A.
    Andringa, S.
    Anjos, N.
    Antilogus, P.
    Apel, W. -D
    Arnoud, Y.
    Ask, S.
    Asman, B.
    Augustin, J. E.
    Augustinus, A.
    Baillon, P.
    Ballestrerol, A.
    Bambade, P.
    Barbier, R.
    Bardin, D.
    Barker, G. J.
    Baroncelli, A.
    Battaglia, M.
    Baubillier, M.
    Becks, K. -H
    Begalli, M.
    Behrmann, A.
    Ben-Haim, E.
    Benekos, N.
    Benvenuti, A.
    Berat, C.
    Berggren, M.
    Berntzon, L.
    Bertrand, D.
    Besancon, M.
    Besson, N.
    Bloch, D.
    Biom, M.
    Bluj, M.
    Bonesini, M.
    Boonekamp, M.
    Booth, P. S. L.
    Borisov, G.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Bouquet, B.
    Bowcock, T. J. V.
    Boyko, I.
    Bracko, M.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brodet, E.
    Bruckman, P.
    Brunet, J. M.
    Bugge, L.
    Buschmann, P.
    Calvi, M.
    Camporesi, T.
    Canale, V.
    Carena, F.
    Castro, N.
    Cavallo, F.
    Chapkin, M.
    Charpentier, P.
    Checchia, P.
    Chierici, R.
    Chliapnikov, P.
    Chudoba, J.
    Chung, S. U.
    Cieslik, K.
    Collins, P.
    Contri, R.
    Cosme, G.
    Cossutti, F.
    Costal, M. J.
    Crennell, D.
    Cuevas, J.
    D'Hondt, J.
    Dalmau, J.
    da Silva, T.
    da Silva, W.
    Della Ricca, G.
    De Angelis, A.
    De Boer, W.
    De Clercq, C.
    De Lotto, B.
    De Maria, N.
    De Min, A.
    de Paula, L.
    Di Ciaccio, L.
    Di Simone, A.
    Doroba, K.
    Drees, J.
    Dris, M.
    Eigen, G.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Elsing, M.
    Santo, M. C. Espirito
    Fanourakis, G.
    Fassouliotis, D.
    Feindt, M.
    Fernandez, J.
    Ferrer, A.
    Ferro, F.
    Flagmeyer, U.
    Foeth, H.
    Fokitis, E.
    Fulda-Quenzer, F.
    Fuster, J.
    Gandelman, M.
    Garcia, C.
    Gavillet, P.
    Gazis, E.
    Gokieli, R.
    Golob, B.
    Gomez-Ceballos, G.
    Goncalves, P.
    Graziani, E.
    Grosdidier, G.
    Grzelak, K.
    Guy, J.
    Haag, C.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hamacher, K.
    Hamilton, K.
    Haug, S.
    Hauler, F.
    Hedberg, V.
    Hennecke, M.
    Herr, H.
    Hoffman, J.
    Holmgren, S. -O
    Holt, P. J.
    Houlden, M. A.
    Hultqvist, K.
    Jackson, J. N.
    Jarlskog, G.
    Jarry, P.
    Jeans, D.
    Johansson, E. K.
    Johansson, P. D.
    Jonsson, P.
    Joram, C.
    Jungermann, L.
    Kapusta, F.
    Katsanevas, S.
    Katsoufis, E.
    Kernel, G.
    Kersevan, B. P.
    Kerzel, U.
    Kiiskinen, A.
    King, B. T.
    Kjaer, N. J.
    Kluit, P.
    Kokkinias, P.
    Kourkoumelis, C.
    Kouznetsov, O.
    Krumstein, Z.
    Kucharczyk, M.
    Lamsa, J.
    Leder, G.
    Ledroit, F.
    Leinonen, L.
    Leitner, R.
    Lemonne, J.
    Lepeltier, V.
    Lesiak, T.
    Liebig, W.
    Liko, D.
    Lipniacka, A.
    Lopes, J. H.
    Lopez, J. M.
    Loukas, D.
    Lutz, P.
    Lyons, L.
    MacNaughton, J.
    Malek, A.
    Maltezos, S.
    Mandl, F.
    Marco, J.
    Marco, R.
    Marechal, B.
    Margoni, M.
    Marin, J. -C
    Mariotti, C.
    Markou, A.
    Martinez-Rivero, C.
    Masik, J.
    Mastroyiannopoulos, N.
    Matorras, F.
    Matteuzzi, C.
    Mazzucato, F.
    Mazzucato, M.
    Mc Nulty, R.
    Meroni, C.
    Migliore, E.
    Mitaroff, W.
    Mjoernmark, U.
    Moa, T.
    Moch, M.
    Moenig, K.
    Monge, R.
    Montenegro, J.
    Moraes, D.
    Moreno, S.
    Morettini, P.
    Mueller, U.
    Muenich, K.
    Mulders, M.
    Mundim, L.
    Murray, W.
    Muryn, B.
    Myatt, G.
    Myklebust, T.
    Nassiakou, M.
    Navarria, F.
    Nawrocki, K.
    Nicolaidou, R.
    Nikolenko, M.
    Oblakowska-Mucha, A.
    Obraztsov, V.
    Olshevski, A.
    Onofre, A.
    Orava, R.
    Osterberg, K.
    Ouracu, A.
    Oyanguren, A.
    Paganoni, M.
    Paiano, S.
    Palacios, J. P.
    Palka, H.
    Papadopoulou, T. D.
    Pape, L.
    Parkes, C.
    Parodi, F.
    Parzefall, U.
    Passeri, A.
    Passon, O.
    Peralta, L.
    Perepelitsa, V.
    Perrotta, A.
    Petrolini, A.
    Piedra, J.
    Pieri, L.
    Pierre, F.
    Pimenta, M.
    Piotto, E.
    Podobnik, T.
    Poireau, V.
    Pol, M. E.
    Polok, G.
    Pozdniakov, V.
    Pukhaeva, N.
    Pullia, A.
    Rames, J.
    Read, A.
    Rebecchi, P.
    Rehn, J.
    Reid, D.
    Reinhardt, R.
    Renton, P.
    Richard, F.
    Ridky, J.
    Rivero, M.
    Rodriguez, D.
    Romero, A.
    Ronchese, P.
    Roudeau, P.
    Rovelli, T.
    Ruhlmann-Kleider, V.
    Ryabtchikov, D.
    Sadovsky, A.
    Salmi, L.
    Salt, J.
    Sander, C.
    Savoy-Navarro, A.
    Schwickerath, U.
    Segar, A.
    Sekulin, R.
    Siebel, M.
    Sisakian, A.
    Smadja, G.
    Smirnova, O.
    Sokolov, A.
    Sopczak, A.
    Sosnowski, R.
    Spassov, T.
    Stanitzki, M.
    Stocchi, A.
    Strauss, J.
    Stugu, B.
    Szczekowski, M.
    Szeptycka, M.
    Szumlak, T.
    Tabarelli, T.
    Taffard, A. C.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Timmermans, J.
    Tkatchev, L.
    Tobin, M.
    Todorovova, S.
    Tome, B.
    Tonazzo, A.
    Tortosa, P.
    Travnicek, P.
    Treille, D.
    Tristram, G.
    Trochimczuk, M.
    Troncon, C.
    Turluer, M. -L
    Tyapkin, I. A.
    Tyapkin, P.
    Tzamarias, S.
    Uvarov, V.
    Valenti, G.
    Van Dam, P.
    Van Eldik, J.
    Van Lysebetten, A.
    van Remortel, N.
    Van Vulpen, I.
    Vegni, G.
    Veloso, F.
    Venus, W.
    Verdier, P.
    Verzi, V.
    Vilanova, D.
    Vitale, L.
    Vrba, V.
    Wahlen, H.
    Washbrook, A. J.
    Weiser, C.
    Wicke, D.
    Wickens, J.
    Wilkinson, G.
    Winter, M.
    Witek, M.
    Yushchenko, O.
    Zalewska, A.
    Zalewski, P.
    Zavrtanik, D.
    Zhuravlov, V.
    Zimin, N. I.
    Zintchenko, A.
    Zupan, M.
    Search for excited leptons in e(+)e(-) collisions at root s=189-209 GeV2006In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 46, no 2, p. 277-293Article in journal (Refereed)
    Abstract [en]

    A search for excited lepton production in e(+)e(-) collisions was performed using the data collected by the DELPHI detector at LEP at centre-of-mass energies ranging from 189 GeV to 209 GeV, corresponding to an integrated luminosity of approximately 600 pb(-1). No evidence for excited lepton production was found. In searches for pair-produced excited leptons, lower mass limits were established in the range 94-103 GeV/c(2), depending on the channel and model assumptions. In searches for singly-produced excited leptons, upper limits on the parameter f/Lambda were established as a function of the mass.

  • 870. Abdallah, J.
    et al.
    Abreu, P.
    Adam, W.
    Adzic, P.
    Albrecht, T.
    Alderweireld, T.
    Alemany-Fernandez, R.
    Allmendinger, T.
    Allport, P. P.
    Amaldi, U.
    Amapane, N.
    Amato, S.
    Anashkin, E.
    Andreazza, A.
    Andringa, S.
    Anjos, N.
    Antilogus, P.
    Apel, W-D
    Arnoud, Y.
    Ask, S.
    Asman, B.
    Augustin, J. E.
    Augustinus, A.
    Baillon, P.
    Ballestrero, A.
    Bambadeo, P.
    Barbier, R.
    Bardin, D.
    Barker, G. J.
    Baroncelli, A.
    Battaglia, M.
    Baubillier, M.
    Becks, K-H
    Begalli, M.
    Behrmann, A.
    Ben-Haim, E.
    Benekos, N.
    Benvenuti, A.
    Berat, C.
    Berggren, M.
    Berntzon, L.
    Bertrand, D.
    Besancono, M.
    Besson, N.
    Bloch, D.
    Blom, M.
    Bluj, M.
    Bonesini, M.
    Boonekampo, M.
    Booth, P. S. L.
    Borisov, G.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Bouqueto, B.
    Bowcock, T. J. V.
    Boyko, I.
    Bracko, M.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brodet, E.
    Bruckman, P.
    Brunet, J. M.
    Bugge, L.
    Buschmann, P.
    Calvi, M.
    Camporesi, T.
    Canale, V.
    Carena, F.
    Castro, N.
    Cavallo, F.
    Chapkin, M.
    Charpentier, P.
    Checchia, P.
    Chierici, R.
    Chliapnikov, P.
    Chudoba, J.
    Chung, S. U.
    Ciesliklg, K.
    Collins, P.
    Contri, R.
    Cosmeo, G.
    Cossutti, F.
    Costaso, M. J.
    Crenne, D.
    Cuevas, J.
    D'Hondt, J.
    Dalmau, J.
    da Silva, T.
    Da Silva, W.
    Della Ricca, G.
    De Angelis, A.
    De Boer, W.
    De Clercq, C.
    De Lotto, B.
    De Maria, N.
    De Min, A.
    de Paula, L.
    Di Ciaccio, L.
    Di Simone, A.
    Doroba, K.
    Drees, J.
    Dris, M.
    Eigen, G.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Elsing, M.
    Espirito Santo, M. C.
    Fanourakis, G.
    Fassouliotis, D.
    Feindt, M.
    Fernandez, J.
    Ferrer, A.
    Ferro, F.
    Flagmeyer, U.
    Foeth, H.
    Fokitis, E.
    Fulda-Quenzer, F.
    Fuster, J.
    Gandelman, M.
    Garciao, C.
    Gavillet, Ph.
    Gazis, E.
    Gokieli, R.
    Golob, B.
    Gomez-Ceballos, G.
    Goncalves, P.
    Graziani, E.
    Grosdidiero, G.
    Grzelak, K.
    Guy, J.
    Haag, C.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hamacher, K.
    Hamilton, K.
    Haug, S.
    Hauler, F.
    Hedberg, V.
    Hennecke, M.
    Herrb, H.
    Hoffman, J.
    Holmgren, S-O
    Holt, P. J.
    Houlden, M. A.
    Hultqvist, K.
    Jackson, J. N.
    Jarlskog, G.
    Jarry, P.
    Jeans, D.
    Johansson, E. K.
    Johansson, P. D.
    Jonsson, P.
    JoramB, C.
    Jungermann, L.
    Kapusta, F.
    Katsanevas, S.
    Katsoufis, E.
    Kernel, G.
    Kersevan, B. P.
    Kerzel, U.
    Kiiskinen, A.
    King, B. T.
    Kjaer, N. J.
    Kluit, P.
    Kokkinias, P.
    Kourkoumelis, C.
    Kouznetsov, O.
    Krumstein, Z.
    Kucharczykl, M.
    Lamsal, J.
    Leder, G.
    Ledroit, F.
    Leinonen, L.
    Leitnero, R.
    Lemonne, J.
    Lepeltiero, V.
    Lesiakl, T.
    Liebig, W.
    Liko, D.
    Lipniacka, A.
    Lopes, J. H.
    Lopez, J. M.
    Loukas, D.
    Lutz, P.
    Lyons, L.
    MacNaughton, J.
    Malek, A.
    Maltezos, S.
    Mandl, F.
    Marco, J.
    Marco, R.
    Marechal, B.
    Margoni, M.
    Marin, J-C
    Mariotti, C.
    Markou, A.
    Martinez-Rivero, C.
    Masik, J.
    Mastroyiannopoulos, N.
    Matorras, F.
    Matteuzzi, C.
    Mazzucato, F.
    Mazzucato, M.
    Mc Nulty, R.
    Meroni, C.
    Migliore, E.
    Mitaroff, W.
    Mjoernmark, U.
    Moa, T.
    Moch, M.
    Moenig, K.
    Monge, R.
    Montenegro, J.
    Moraess, D.
    Moreno, S.
    Morettini, P.
    Mueller, U.
    Muenich, K.
    Mulders, M.
    Mundim, L.
    Murray, W.
    Murynl, B.
    Myatt, G.
    Myklebust, T.
    Nassiakou, M.
    Navarria, F.
    Nawrocki, K.
    Nicolaidou, R.
    Nikolenko, M.
    Oblakowska-Mucha, A.
    Obraztsov, V.
    Olshevski, A.
    Onofre, A.
    Oraval, R.
    Osterberg, K.
    Ouraou, A.
    Oyangureno, A.
    Paganoni, M.
    Paiano, S.
    Palacios, J. P.
    Palka, H.
    Papadopoulou, Th. D.
    Pape, L.
    Parkes, C.
    Parodi, F.
    Parzefall, U.
    Passeri, A.
    Passon, O.
    Peralta, L.
    Perepelitsao, V.
    Perrotta, A.
    Petrolini, A.
    Piedra, J.
    Pieri, L.
    Pierre, F.
    Pimenta, M.
    Piotto, E.
    Podobnik, T.
    Poireau, V.
    Pol, M. E.
    Polok, G.
    Pozdniakov, V.
    Pukhaeva, N.
    Pullia, A.
    Rames, J.
    Read, A.
    Rebecchi, P.
    Rehn, J.
    Reid, D.
    Reinhardt, R.
    Renton, P.
    Richard, F.
    Ridky, J.
    Riverol, M.
    Rodriguez, D.
    Romero, A.
    Ronchese, P.
    Roudeauo, P.
    Rovelli, T.
    Ruhlmann-Kleider, V.
    Ryabtchikov, D.
    Sadovsky, A.
    Salmi, L.
    Salt, J.
    Sander, C.
    Savoy-Navarro, A.
    Schwickerath, U.
    Segar, A.
    Sekulin, R.
    Siebe, M.
    Sisakian, A.
    Smadja, G.
    Smirnova, O.
    Sokolov, A.
    Sopczak, A.
    Sosnowski, R.
    Spassov, T.
    Stanitzki, M.
    Stocchi, A.
    Strauss, J.
    Stugu, B.
    Szczekowski, M.
    Szeptycka, M.
    Szumlak, T.
    Tabarellis, T.
    Taffard, A. C.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Timmermans, J.
    Tkatchev, L.
    Tobin, M.
    Todorovova, S.
    Tome, B.
    Tonazzo, A.
    Tortosao, P.
    Travnicek, P.
    Treille, D.
    Tristram, G.
    Trochimczuk, M.
    Troncon, C.
    Turluer, M-L
    Tyapkin, I. A.
    Tyapkin, P.
    Tzamarias, S.
    Uvarov, V.
    Valenti, G.
    Van Dam, P.
    Van Eldik, J.
    Van Lysebetten, A.
    van Remortel, N.
    Van Vulpen, I.
    Vegni, G.
    Veloso, F.
    Venus, W.
    Verdier, P.
    Verzi, V.
    Vilanova'o, D.
    Vitale, L.
    Vrba, V.
    Wahlen, H.
    Washbrook, A. J.
    Weiser, C.
    Wicke, D.
    Wickens, J.
    Wilkinson, G.
    Winter, M.
    Witek, M.
    Yushchenko, O.
    Zalewska, A.
    Zalewski, P.
    Zavrtanik, D.
    Zhuravlov, V.
    Zimin, N. I.
    Zintchenko, A.
    Zupan, M.
    A measurement of the tau hadronic branching ratios2006In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 46, no 1, p. 1-26Article in journal (Refereed)
    Abstract [en]

    The exclusive and semi-exclusive branching ratios of the tau lepton hadronic decay modes (h(-)upsilon(tau), h(-)pi(0)upsilon(tau), h(-)pi(0)pi(0)upsilon(tau), h(-) >= 2 pi(0)nu(tau), 2h(-)h(+)upsilon(tau), 2h(-)h(+)>= 2 pi(0)upsilon(tau), 3h(-)2h(+)upsilon(tau) and 3h(-)2h(+) >= 1 pi(0)upsilon(tau)) were measured with data from the DELPHI detector at LEP.

  • 871. Abdallah, J.
    et al.
    Abreu, P.
    Adam, W.
    Adzic, P.
    Albrecht, T.
    Alemany-Fernandez, R.
    Allmendinger, T.
    Allport, P. P.
    Amaldi, U.
    Amapane, N.
    Amato, S.
    Anashkin, E.
    Andreazza, A.
    Andringa, S.
    Anjos, N.
    Antilogus, P.
    Apel, W-D
    Arnoud, Y.
    Ask, S.
    Asman, B.
    Augustin, J. E.
    Augustinus, A.
    Baillon, P.
    Ballestrero, A.
    Bambade, P.
    Barbier, R.
    Bardin, D.
    Barker, G. J.
    Baroncelli, A.
    Battaglia, M.
    Baubillier, M.
    Becks, K-H
    Begalli, M.
    Behrmann, A.
    Belous, K.
    Ben-Haim, E.
    Benekos, N.
    Benvenuti, A.
    Berat, C.
    Berggren, M.
    Bertrand, D.
    Besancon, M.
    Besson, N.
    Bloch, D.
    Blom, M.
    Bluj, M.
    Bonesini, M.
    Boonekamp, M.
    Booth, P. S. L.
    Borisov, G.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Bouquet, B.
    Bowcock, T. J. V.
    Boyko, I.
    Bracko, M.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brodet, E.
    Bruckman, P.
    Brunet, J. M.
    Buschbeck, B.
    Buschmann, P.
    Calvi, M.
    Camporesi, T.
    Canale, V.
    Carena, F.
    Castro, N.
    Cavallo, F.
    Chapkin, M.
    Charpentier, Ph.
    Checchia, P.
    Chierici, R.
    Chliapnikov, P.
    Chudoba, J.
    Chung, S. U.
    Cieslik, K.
    Collins, P.
    Contri, R.
    Cosme, G.
    Cossutti, F.
    Costa, M. J.
    Crennell, D.
    Cuevas, J.
    D'Hondt, J.
    da silva, T.
    Da Silva, W.
    Della Ricca, G.
    De Angelis, A.
    De Boer, W.
    De Clercq, C.
    De Lotto, B.
    De Maria, N.
    De Min, A.
    de Paula, L.
    Di Ciaccio, L.
    Di Simone, A.
    Doroba, K.
    Drees, J.
    Eigen, G.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Elsing, M.
    Espirito Santo, M. C.
    Fanourakis, G.
    Fassouliotis, D.
    Feindt, M.
    Fernandez, J.
    Ferrer, A.
    Ferro, F.
    Flagmeyer, U.
    Foeth, H.
    Fokitis, E.
    Fulda-Quenzer, F.
    Fuster, J.
    Gandelman, M.
    Garcia, C.
    Gavillet, Ph.
    Gazis, E.
    Gokieli, R.
    Golob, B.
    Gomez-Ceballos, G.
    Goncalves, P.
    Graziani, E.
    Grosdidier, G.
    Grzelak, K.
    Guy, J.
    Haag, C.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hamacher, K.
    Hamilton, K.
    Haug, S.
    Hauler, F.
    Hedberg, V.
    Hennecke, M.
    Hoffman, J.
    Holmgren, S-O
    Holt, P. J.
    Houlden, M. A.
    Jackson, J. N.
    Jarlskog, G.
    Jarry, P.
    Jeans, D.
    Johansson, E. K.
    Jonsson, P.
    Joram, C.
    Jungermann, L.
    Kapusta, F.
    Katsanevas, S.
    Katsoufis, E.
    Kernel, G.
    Kersevan, B. P.
    Kerzel, U.
    King, B. T.
    Kjaer, N. J.
    Kluit, P.
    Kokkinias, P.
    Kourkoumelis, C.
    Kouznetsov, O.
    Krumstein, Z.
    Kucharczyk, M.
    Lamsa, J.
    Leder, G.
    Ledroit, F.
    Leinonen, L.
    Leitner, R.
    Lemonne, J.
    Lepeltier, V.
    Lesiak, T.
    Liebig, W.
    Liko, D.
    Lipniacka, A.
    Lopes, J. H.
    Lopez, J. M.
    Loukas, D.
    Lutz, P.
    Lyons, L.
    MacNaughton, J.
    Malek, A.
    Maltezos, S.
    Mandl, F.
    Marco, J.
    Marco, R.
    Marechal, B.
    Margoni, M.
    Marin, J-C
    Mariotti, C.
    Markou, A.
    Martinez-Rivero, C.
    Masik, J.
    Mastroyiannopoulos, N.
    Matorras, F.
    Matteuzzi, C.
    Mazzucato, F.
    Mazzucato, M.
    Mc Nulty, R.
    Meroni, C.
    Migliore, E.
    Mitaroff, W.
    Mjoernmark, U.
    Moa, T.
    Moch, M.
    Moenig, K.
    Monge, R.
    Montenegro, J.
    Moraes, D.
    Moreno, S.
    Morettini, P.
    Mueller, U.
    Muenich, K.
    Mulders, M.
    Mundim, L.
    Murray, W.
    Muryn, B.
    Myatt, G.
    Myklebust, T.
    Nassiakou, M.
    Navarria, F.
    Nawrocki, K.
    Nemecek, S.
    Nicolaidou, R.
    Nikolenko, M.
    Oblakowska-Mucha, A.
    Obraztsov, V.
    Olshevski, A.
    Onofre, A.
    Orava, R.
    Osterberg, K.
    Ouraou, A.
    Oyanguren, A.
    Paganoni, M.
    Paiano, S.
    Palacios, J. P.
    Palka, H.
    Papadopoulou, Th. D.
    Pape, L.
    Parkes, C.
    Parodi, F.
    Parzefall, U.
    Passeri, A.
    Passon, O.
    Peralta, L.
    Perepelitsa, V.
    Perrotta, A.
    Petrolini, A.
    Piedra, J.
    Pieri, L.
    Pierre, F.
    Pimenta, M.
    Piotto, E.
    Podobnik, T.
    Poireau, V.
    Pol, M. E.
    Polok, G.
    Pozdniakov, V.
    Pukhaeva, N.
    Pullia, A.
    Radojicic, D.
    Rebecchi, P.
    Rehn, J.
    Reid, D.
    Reinhardt, R.
    Renton, P.
    Richard, F.
    Ridky, J.
    Rivero, M.
    Rodriguez, D.
    Romero, A.
    Ronchese, P.
    Roudeau, P.
    Rovelli, T.
    Ruhlmann-Kleider, V.
    Ryabtchikov, D.
    Sadovsky, A.
    Salmi, L.
    Salt, J.
    Sander, C.
    Savoy-Navarro, A.
    Schwickerath, U.
    Sekulin, R.
    Siebel, M.
    Sisakian, A.
    Slominski, W.
    Smadja, G.
    Smirnova, O.
    Sokolov, A.
    Sopczak, A.
    Sosnowski, R.
    Spassov, T.
    Stanitzki, M.
    Stocchi, A.
    Strauss, J.
    Stugu, B.
    Szczekowski, M.
    Szeptycka, M.
    Szumlak, T.
    Szwed, J.
    Tabarelli, T.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Timmermans, J.
    Tkatchev, L.
    Tobin, M.
    Todorovova, S.
    Tome, B.
    Tonazzo, A.
    Tortosa, P.
    Travnicek, P.
    Treille, D.
    Tristram, G.
    Trochimczuk, M.
    Troncon, C.
    Turluer, M-L
    Tyapkin, I. A.
    Tyapkin, P.
    Tzamarias, S.
    Uvarov, V.
    Valenti, G.
    Van Dam, P.
    Van Eldik, J.
    van Remortel, N.
    Van Vulpen, I.
    Vegni, G.
    Veloso, F.
    Venus, W.
    Verdier, P.
    Verzi, V.
    Vilanova, D.
    Vitale, L.
    Vrba, V.
    Wahlen, H.
    Washbrook, A. J.
    Weiser, C.
    Wicke, D.
    Wickens, J.
    Wilkinson, G.
    Winter, M.
    Witek, M.
    Yushchenko, O.
    Zalewska, A.
    Zalewski, P.
    Zavrtanik, D.
    Zhuravlov, V.
    Zimin, N. I.
    Zintchenko, A.
    Zupan, M.
    Measurement of the electron structure function F-2(e) at LEP energies2014In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 737, p. 39-47Article in journal (Refereed)
    Abstract [en]

    The hadronic part of the electron structure function F-2(e) has been measured for the first time, using e(+)e(-) data collected by the DELPHI experiment at LEP, at centre-of-mass energies of root s = 91.2-209.5 GeV. The data analysis is simpler than that of the measurement of the photon structure function. The electron structure function F-2(e) data are compared to predictions of phenomenological models based on the photon structure function. It is shown that the contribution of large target photon virtualities is significant. The data presented can serve as a cross-check of the photon structure function F-2(gamma) analyses and help in refining existing parameterisations.

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  • 872. Abdallah, J.
    et al.
    Abreu, P.
    Adam, W.
    Adzic, P.
    Albrecht, T.
    Alemany-Fernandez, R.
    Allmendinger, T.
    Allport, P. P.
    Amaldi, U.
    Amapane, N.
    Amato, S.
    Anashkin, E.
    Andreazza, A.
    Andringa, S.
    Anjos, N.
    Antilogus, P.
    Apel, W-D
    Arnoud, Y.
    Ask, S.
    Asman, B.
    Augustin, J. E.
    Augustinus, A.
    Baillon, P.
    Ballestrero, A.
    Bambade, P.
    Barbier, R.
    Bardin, D.
    Barker, G. J.
    Baroncelli, A.
    Battaglia, M.
    Baubillier, M.
    Becks, K-H
    Begalli, M.
    Behrmann, A.
    Ben-Haim, E.
    Benekos, N.
    Benvenuti, A.
    Berat, C.
    Berggren, M.
    Berntzon, L.
    Bertrand, D.
    Besancon, M.
    Besson, N.
    Bloch, D.
    Blom, M.
    Bluj, M.
    Bonesini, M.
    Boonekamp, M.
    Booth, P. S. L.
    Borisov, G.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Radiation Sciences.
    Bouquet, B.
    Bowcock, T. J. V.
    Boyko, I.
    Bracko, M.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Radiation Sciences.
    Brodet, E.
    Bruckman, P.
    Brunet, J. M.
    Buschbeck, B.
    Buschmann, P.
    Calvi, M.
    Camporesi, T.
    Canale, V.
    Carena, F.
    Castro, N.
    Cavallo, F.
    Chapkin, M.
    Charpentier, Ph.
    Checchia, P.
    Chierici, R.
    Chliapnikov, P.
    Chudoba, J.
    Chung, S. U.
    Cieslik, K.
    Collins, P.
    Contri, R.
    Cosme, G.
    Cossutti, F.
    Costa, M. J.
    Crennell, D.
    Cuevas, J.
    D'Hondt, J.
    Dalmau, J.
    Da Silva, T.
    Da Silva, W.
    Della Ricca, G.
    De Angelis, A.
    De Boer, W.
    De Clercq, C.
    De Lotto, B.
    De Maria, N.
    De Min, A.
    De Paula, L.
    Di Ciaccio, L.
    Di Simone, A.
    Doroba, K.
    Drees, J.
    Eigen, G.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Radiation Sciences.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Radiation Sciences. Uppsala University, Department of Radiation Sciences.
    Elsing, M.
    Santo, M. C. Espirito
    Fanourakis, G.
    Fassouliotis, D.
    Feindt, M.
    Fernandez, J.
    Ferrer, A.
    Ferro, F.
    Flagmeyer, U.
    Foeth, H.
    Fokitis, E.
    Fulda-Quenzer, F.
    Fuster, J.
    Gandelman, M.
    Garcia, C.
    Gavillet, Ph.
    Gazis, E.
    Gokieli, R.
    Golob, B.
    Gomez-Ceballos, G.
    Goncalves, P.
    Graziani, E.
    Grosdidier, G.
    Grzelak, K.
    Guy, J.
    Haag, C.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Radiation Sciences. Uppsala University, Department of Radiation Sciences.
    Hamacher, K.
    Hamilton, K.
    Haug, S.
    Hauler, F.
    Hedberg, V.
    Hennecke, M.
    Herr, H.
    Hoffman, J.
    Holmgren, S-O
    Holt, P. J.
    Houlden, M. A.
    Jackson, J. N.
    Jarlskog, G.
    Jarry, P.
    Jeans, D.
    Johansson, E. K.
    Johansson, P. D.
    Jonsson, P.
    Joram, C.
    Jungermann, L.
    Kapusta, F.
    Katsanevas, S.
    Katsoufis, E.
    Kernel, G.
    Kersevan, B. P.
    Kerzel, U.
    King, B. T.
    Kjaer, N. J.
    Kluit, P.
    Kokkinias, P.
    Kourkoumelis, C.
    Kouznetsov, O.
    Krumstein, Z.
    Kucharczyk, M.
    Lamsa, J.
    Leder, G.
    Ledroit, F.
    Leinonen, L.
    Leitner, R.
    Lemonne, J.
    Lepeltier, V.
    Lesiak, T.
    Liebig, W.
    Liko, D.
    Lipniacka, A.
    Lopes, J. H.
    Lopez, J. M.
    Loukas, D.
    Lutz, P.
    Lyons, L.
    MacNaughton, J.
    Malek, A.
    Maltezos, S.
    Mandl, F.
    Marco, J.
    Marco, R.
    Marechal, B.
    Margoni, M.
    Marin, J-C
    Mariotti, C.
    Markou, A.
    Martinez-Rivero, C.
    Masik, J.
    Mastroyiannopoulos, N.
    Matorras, F.
    Matteuzzi, C.
    Mazzucato, F.
    Mazzucato, M.
    Mc Nulty, R.
    Meroni, C.
    Migliore, E.
    Mitaro, W.
    Mjoernmark, U.
    Moa, T.
    Moch, M.
    Moenig, K.
    Monge, R.
    Montenegro, J.
    Moraes, D.
    Moreno, S.
    Morettini, P.
    Mueller, U.
    Muenich, K.
    Mulders, M.
    Mundim, L.
    Murray, W.
    Muryn, B.
    Myatt, G.
    Myklebust, T.
    Nassiakou, M.
    Navarria, F.
    Nawrocki, K.
    Nicolaidou, R.
    Nikolenko, M.
    Oblakowska-Mucha, A.
    Obraztsov, V.
    Olshevski, A.
    Onofre, A.
    Orava, R.
    Osterberg, K.
    Ouraou, A.
    Oyanguren, A.
    Paganoni, M.
    Paiano, S.
    Palacios, J. P.
    Palka, H.
    Papadopoulou, Th. D.
    Pape, L.
    Parkes, C.
    Parodi, F.
    Parzefall, U.
    Passeri, A.
    Passon, O.
    Peralta, L.
    Perepelitsa, V.
    Perrotta, A.
    Petrolini, A.
    Piedra, J.
    Pieri, L.
    Pierre, F.
    Pimenta, M.
    Piotto, E.
    Podobnik, T.
    Poireau, V.
    Pol, M. E.
    Polok, G.
    Pozdniakov, V.
    Pukhaeva, N.
    Pullia, A.
    Rames, J.
    Read, A.
    Rebecchi, P.
    Rehn, J.
    Reid, D.
    Reinhardt, R.
    Renton, P.
    Richard, F.
    Ridky, J.
    Rivero, M.
    Rodriguez, D.
    Romero, A.
    Ronchese, P.
    Roudeau, P.
    Rovelli, T.
    Ruhlmann-Kleider, V.
    Ryabtchikov, D.
    Sadovsky, A.
    Salmi, L.
    Salt, J.
    Sander, C.
    Savoy-Navarro, A.
    Schwickerath, U.
    Sekulin, R.
    Siebel, M.
    Sisakian, A.
    Smadja, G.
    Smirnova, O.
    Sokolov, A.
    Sopczak, A.
    Sosnowski, R.
    Spassov, T.
    Stanitzki, M.
    Stocchi, A.
    Strauss, J.
    Stugu, B.
    Szczekowski, M.
    Szeptycka, M.
    Szumlak, T.
    Tabarelli, T.
    Taffard, A. C.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Radiation Sciences.
    Timmermans, J.
    Tkatchev, L.
    Tobin, M.
    Todorovova, S.
    Tome, B.
    Tonazzo, A.
    Tortosa, P.
    Travnicek, P.
    Treille, D.
    Tristram, G.
    Trochimczuk, M.
    Troncon, C.
    Turluer, M-L
    Tyapkin, I. A.
    Tyapkin, P.
    Tzamarias, S.
    Uvarov, V.
    Valenti, G.
    Van Dam, P.
    Van Eldik, J.
    Van Remortel, N.
    Van Vulpen, I.
    Vegni, G.
    Veloso, F.
    Venus, W.
    Verdier, P.
    Verzi, V.
    Vilanova, D.
    Vitale, L.
    Vrba, V.
    Wahlen, H.
    Washbrook, A. J.
    Weiser, C.
    Wicke, D.
    Wickens, J.
    Wilkinson, G.
    Winter, M.
    Witek, M.
    Yushchenko, O.
    Zalewska, A.
    Zalewski, P.
    Zavrtanik, D.
    Zhuravlov, V.
    Zimin, N. I.
    Zintchenko, A.
    Zupan, M.
    Investigation of colour reconnection in WW events with the DELPHI detector at LEP-22007In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 51, no 2, p. 249-269Article in journal (Refereed)
    Abstract [en]

    In the reaction e(+)e(-) -> WW -> (q(1) (q) over bar (2))(q(3)(q) over bar (4)) the usual hadronization models treat the colour singlets q(1)(q) over bar (2) and q(3)(q) over bar (4) coming from two W bosons independently. However, since the. nal state partons may coexist in space and time, cross-talk between the two evolving hadronic systems may be possible during fragmentation through soft gluon exchange. This e. ect is known as colour reconnection. In this article the results of the investigation of colour reconnection e. ects in fully hadronic decays of W pairs in DELPHI at LEP are presented. Two complementary analyses were performed, studying the particle. ow between jets and W mass estimators, with negligible correlation between them, and the results were combined and compared to models. In the framework of the SK-I model, the value for its. parameter most compatible with the data was found to be: (SK)-S-kappa-I = 2.2(-1.3) (+2.5) corresponding to the probability of reconnection P-reco to be in the range 0.31 < P-reco < 0.68 at 68% confidence level with its best value at 0.52.

  • 873. Abdallah, J.
    et al.
    Abreu, P.
    Adam, W.
    Adzic, P.
    Albrecht, T.
    Alemany-Fernandez, R.
    Allmendinger, T.
    Allport, P. P.
    Amaldi, U.
    Amapane, N.
    Amato, S.
    Anashkin, E.
    Andreazza, A.
    Andringa, S.
    Anjos, N.
    Antilogus, P.
    Apel, W-D
    Arnoud, Y.
    Ask, S.
    Asman, B.
    Augustin, J. E.
    Augustinus, A.
    Baillon, P.
    Ballestrero, A.
    Bambade, P.
    Barbier, R.
    Bardin, D.
    Barker, G. J.
    Baroncelli, A.
    Battaglia, M.
    Baubillier, M.
    Becks, K-H
    Begalli, M.
    Behrmann, A.
    Ben-Haim, E.
    Benekos, N.
    Benvenuti, A.
    Berat, C.
    Berggren, M.
    Bertrand, D.
    Besancon, M.
    Besson, N.
    Bloch, D.
    Blom, M.
    Bluj, M.
    Bonesini, M.
    Boonekamp, M.
    Booth, P. S. L.
    Borisov, G.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Bouquet, B.
    Bowcock, T. J. V.
    Boyko, I.
    Bracko, M.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brodet, E.
    Bruckman, P.
    Brunet, J. M.
    Buschbeck, B.
    Buschmann, P.
    Calvi, M.
    Camporesi, T.
    Canale, V.
    Carena, F.
    Castro, N.
    Cavallo, F.
    Chapkin, M.
    Charpentier, Ph.
    Checchia, P.
    Chierici, R.
    Chliapnikov, P.
    Chudoba, J.
    Chung, S. U.
    Cieslik, K.
    Collins, P.
    Contri, R.
    Cosme, G.
    Cossutti, F.
    Costa, M. J.
    Crennell, D.
    Cuevas, J.
    D'Hondt, J.
    da Silva, T.
    Da Silva, W.
    Della Ricca, G.
    De Angelis, A.
    De Boer, W.
    De Clercq, C.
    De Lotto, B.
    De Maria, N.
    De Min, A.
    de Paula, L.
    Di Ciaccio, L.
    Di Simone, A.
    Doroba, K.
    Drees, J.
    Eigen, G.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Elsing, M.
    Santo, M. C. Espirito
    Fanourakis, G.
    Fassouliotis, D.
    Feindt, M.
    Fernandez, J.
    Ferrer, A.
    Ferro, F.
    Flagmeyer, U.
    Foeth, H.
    Fokitis, E.
    Fulda-Quenzer, F.
    Fuster, J.
    Gandelman, M.
    Garcia, C.
    Gavillet, Ph.
    Gazis, E.
    Gokieli, R.
    Golob, B.
    Gomez-Ceballos, G.
    Goncalves, P.
    Graziani, E.
    Grosdidier, G.
    Grzelak, K.
    Guy, J.
    Haag, C.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hamacher, K.
    Hamilton, K.
    Haug, S.
    Hauler, F.
    Hedberg, V.
    Hennecke, M.
    Hoffman, J.
    Holmgren, S-O
    Holt, P. J.
    Houlden, M. A.
    Jackson, J. N.
    Jarlskog, G.
    Jarry, P.
    Jeans, D.
    Johansson, E. K.
    Jonsson, P.
    Joram, C.
    Jungermann, L.
    Kapusta, F.
    Katsanevas, S.
    Katsoufis, E.
    Kernel, G.
    Kersevan, B. P.
    Kerzel, U.
    King, B. T.
    Kjaer, N. J.
    Kluit, P.
    Kokkinias, P.
    Kourkoumelis, C.
    Kouznetsov, O.
    Krumstein, Z.
    Kucharczyk, M.
    Lamsa, J.
    Leder, G.
    Ledroit, F.
    Leinonen, L.
    Leitner, R.
    Lemonne, J.
    Lepeltier, V.
    Lesiak, T.
    Liebig, W.
    Liko, D.
    Lipniacka, A.
    Lopes, J. H.
    Lopez, J. M.
    Loukas, D.
    Lutz, P.
    Lyons, L.
    MacNaughton, J.
    Malek, A.
    Maltezos, S.
    Mandl, F.
    Marco, J.
    Marco, R.
    Marechal, B.
    Margoni, M.
    Marin, J-C
    Mariotti, C.
    Markou, A.
    Martinez-Rivero, C.
    Masik, J.
    Mastroyiannopoulos, N.
    Matorras, F.
    Matteuzzi, C.
    Mazzucato, F.
    Mazzucato, M.
    Mc Nulty, R.
    Meroni, C.
    Migliore, E.
    Mitaroff, W.
    Mjoernmark, U.
    Moa, T.
    Moch, M.
    Moenig, K.
    Monge, R.
    Montenegro, J.
    Moraes, D.
    Moreno, S.
    Morettini, P.
    Mueller, U.
    Muenich, K.
    Mulders, M.
    Mundim, L.
    Murray, W.
    Muryn, B.
    Myatt, G.
    Myklebust, T.
    Nassiakou, M.
    Navarria, F.
    Nawrocki, K.
    Nemecek, S.
    Nicolaidou, R.
    Nikolenko, M.
    Oblakowska-Mucha, A.
    Obraztsov, V.
    Oliveira, O.
    Olshevski, A.
    Onofre, A.
    Orava, R.
    Osterberg, K.
    Ouraou, A.
    Oyanguren, A.
    Paganoni, M.
    Paiano, S.
    Palacios, J. P.
    Palka, H.
    Papadopoulou, Th. D.
    Pape, L.
    Parkes, C.
    Parodi, F.
    Parzefall, U.
    Passeri, A.
    Passon, O.
    Peralta, L.
    Perepelitsa, V.
    Perrotta, A.
    Petrolini, A.
    Piedra, J.
    Pieri, L.
    Pierre, F.
    Pimenta, M.
    Piotto, E.
    Podobnik, T.
    Poireau, V.
    Pol, M. E.
    Polok, G.
    Pozdniakov, V.
    Pukhaeva, N.
    Pullia, A.
    Radojicic, D.
    Rebecchi, P.
    Rehn, J.
    Reid, D.
    Reinhardt, R.
    Renton, P.
    Richard, F.
    Ridky, J.
    Rivero, M.
    Rodriguez, D.
    Romero, A.
    Ronchese, P.
    Roudeau, P.
    Rovelli, T.
    Ruhlmann-Kleider, V.
    Ryabtchikov, D.
    Sadovsky, A.
    Salmi, L.
    Salt, J.
    Sander, C.
    Savoy-Navarro, A.
    Schwickerath, U.
    Sekulin, R.
    Siebel, M.
    Sisakian, A.
    Smadja, G.
    Smirnova, O.
    Sokolov, A.
    Sopczak, A.
    Sosnowski, R.
    Spassov, T.
    Stanitzki, M.
    Stocchi, A.
    Strauss, J.
    Stugu, B.
    Szczekowski, M.
    Szeptycka, M.
    Szumlak, T.
    Tabarelli, T.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Timmermans, J.
    Tkatchev, L.
    Tobin, M.
    Todorovova, S.
    Tome, B.
    Tonazzo, A.
    Tortosa, P.
    Travnicek, P.
    Treille, D.
    Tristram, G.
    Trochimczuk, M.
    Troncon, C.
    Turluer, M-L
    Tyapkin, I. A.
    Tyapkin, P.
    Tzamarias, S.
    Uvarov, V.
    Valenti, G.
    Van Dam, P.
    Van Eldik, J.
    Van Remortel, N.
    Van Vulpen, I.
    Vegni, G.
    Veloso, F.
    Venus, W.
    Verdier, P.
    Verzi, V.
    Vilanova, D.
    Vitale, L.
    Vrba, V.
    Wahlen, H.
    Washbrook, A. J.
    Weiser, C.
    Wicke, D.
    Wickens, J.
    Wilkinson, G.
    Winter, M.
    Witek, M.
    Yushchenko, O.
    Zalewska, A.
    Zalewski, P.
    Zavrtanik, D.
    Zhuravlov, V.
    Zimin, N. I.
    Zintchenko, A.
    Zupan, M.
    Search for single top quark production via contact interactions at LEP22011In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 71, no 2, p. 1555-Article in journal (Refereed)
    Abstract [en]

    Single top quark production via four-fermion contact interactions associated to flavour-changing neutral currents was searched for in data taken by the DELPHI detector at LEP2. The data were accumulated at centre-of-mass energies ranging from 189 to 209 GeV, with an integrated luminosity of 598.1 pb(-1). No evidence for a signal was found. Limits on the energy scale Lambda, were set for scalar-, vector- and tensor-like coupling scenarios.

  • 874. Abdallah, J.
    et al.
    Abreu, P.
    Adam, W.
    Adzic, P.
    Albrecht, T.
    Alemany-Fernandez, R.
    Allmendinger, T.
    Allport, P. P.
    Amaldi, U.
    Amapane, N.
    Amato, S.
    Anashkin, E.
    Andreazza, A.
    Andringa, S.
    Anjos, N.
    Antilogus, P.
    Apel, W-D
    Arnoud, Y.
    Ask, S.
    Asman, B.
    Augustin, J. E.
    Augustinus, A.
    Baillon, P.
    Ballestrero, A.
    Bambade, P.
    Barbier, R.
    Bardin, D.
    Barkerd, G. J.
    Baroncelli, A.
    Battaglia, M.
    Baubillier, M.
    Becks, K-H
    Begalli, M.
    Behrmann, A.
    Ben-Haim, E.
    Benekos, N.
    Benvenuti, A.
    Berat, C.
    Berggren, M.
    Bertrand, D.
    Besancon, M.
    Besson, N.
    Bloch, D.
    Blom, M.
    Bluj, M.
    Bonesini, M.
    Boonekamp, M.
    Booth, P. S. L.
    Borisov, G.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Bouquet, B.
    Bowcock, T. J. V.
    Boyko, I.
    Bracko, M.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brodet, E.
    Bruckman, P.
    Brunet, J. M.
    Buschbeck, B.
    Buschmann, P.
    Calvi, M.
    Camporesi, T.
    Canale, V.
    Carena, F.
    Castro, N.
    Cavallo, F.
    Chapkin, M.
    Charpentier, Ph.
    Checchia, P.
    Chierici, R.
    Chliapnikov, P.
    Chudoba, J.
    Chung, S. U.
    Cieslik, K.
    Collins, P.
    Contri, R.
    Cosme, G.
    Cossutti, F.
    Costa, M. J.
    Crennell, D.
    Cuevas, J.
    D'Hondt, J.
    da Silva, T.
    Da Silva, W.
    Della Ricca, G.
    De Angelis, A.
    De Boer, W.
    De Clercq, C.
    De Lotto, B.
    De Maria, N.
    De Min, A.
    de Paula, L.
    Di Ciaccio, L.
    Di Simone, A.
    Doroba, K.
    Drees, J.
    Eigen, G.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Elsing, M.
    Santo, M. C. Espirito
    Fanourakis, G.
    Fassouliotis, D.
    Feindt, M.
    Fernandez, J.
    Ferrer, A.
    Ferro, F.
    Flagmeyer, U.
    Foeth, H.
    Fokitis, E.
    Fulda-Quenzer, F.
    Fuster, J.
    Gandelman, M.
    Garcia, C.
    Gavillet, Ph.
    Gazis, E.
    Gokieli, R.
    Golob, B.
    Gomez-Ceballos, G.
    Goncalves, P.
    Graziani, E.
    Grosdidier, G.
    Grzelak, K.
    Guy, J.
    Haag, C.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Hamacher, K.
    Hamilton, K.
    Haug, S.
    Hauler, F.
    Hedberg, V.
    Hennecke, M.
    Hoffman, J.
    Holmgren, S-O
    Holt, P. J.
    Houlden, M. A.
    Jackson, J. N.
    Jarlskog, G.
    Jarry, P.
    Jeans, D.
    Johansson, E. K.
    Jonsson, P.
    Joram, C.
    Jungermann, L.
    Kapusta, F.
    Katsanevas, S.
    Katsoufis, E.
    Kernel, G.
    Kersevan, B. P.
    Kerzel, U.
    King, B. T.
    Kjaer, N. J.
    Kluit, P.
    Kokkinias, P.
    Kourkoumelis, C.
    Kouznetsov, O.
    Krumstein, Z.
    Kucharczyk, M.
    Lamsa, J.
    Leder, G.
    Ledroit, F.
    Leinonen, L.
    Leitner, R.
    Lemonne, J.
    Lepeltier, V.
    Lesiak, T.
    Liebig, W.
    Liko, D.
    Lipniacka, A.
    Lopes, J. H.
    Lopez, J. M.
    Loukas, D.
    Lutz, P.
    Lyons, L.
    MacNaughton, J.
    Malek, A.
    Maltezos, S.
    Mandl, F.
    Marco, J.
    Marco, R.
    Marechal, B.
    Margoni, M.
    Marin, J-C
    Mariotti, C.
    Markou, A.
    Martinez-Rivero, C.
    Masik, J.
    Mastroyiannopoulos, N.
    Matorras, F.
    Matteuzzi, C.
    Mazzucato, F.
    Mazzucato, M.
    Mc Nulty, R.
    Meroni, C.
    Migliore, E.
    Mitaroff, W.
    Mjoernmark, U.
    Moa, T.
    Moch, M.
    Moenig, K.
    Monge, R.
    Montenegro, J.
    Moraes, D.
    Moreno, S.
    Morettini, P.
    Mueller, U.
    Muenich, K.
    Mulders, M.
    Mundim, L.
    Murray, W.
    Muryn, B.
    Myatt, G.
    Myklebust, T.
    Nassiakou, M.
    Navarria, F.
    Nawrocki, K.
    Nemecek, S.
    Nicolaidou, R.
    Nikolenko, M.
    Oblakowska-Mucha, A.
    Obraztsov, V.
    Olshevski, A.
    Onofre, A.
    Orava, R.
    Osterberg, K.
    Ouraou, A.
    Oyanguren, A.
    Paganoni, M.
    Paiano, S.
    Palacios, J. P.
    Palka, H.
    Papadopoulou, Th. D.
    Pape, L.
    Parkes, C.
    Parodi, F.
    Parzefall, U.
    Passeri, A.
    Passon, O.
    Peralta, L.
    Perepelitsa, V.
    Perrotta, A.
    Petrolini, A.
    Piedra, J.
    Pieri, L.
    Pierre, F.
    Pimenta, M.
    Piotto, E.
    Podobnik, T.
    Poireau, V.
    Pol, M. E.
    Polok, G.
    Pozdniakov, V.
    Pukhaeva, N.
    Pullia, A.
    Radojicic, D.
    Rebecchi, P.
    Rehn, J.
    Reid, D.
    Reinhardt, R.
    Renton, P.
    Richard, F.
    Ridky, J.
    Rivero, M.
    Rodriguez, D.
    Romero, A.
    Ronchese, P.
    Roudeau, P.
    Rovelli, T.
    Ruhlmann-Kleider, V.
    Ryabtchikov, D.
    Sadovsky, A.
    Salmi, L.
    Salt, J.
    Sander, C.
    Savoy-Navarro, A.
    Schwickerath, U.
    Sekulin, R.
    Siebel, M.
    Sisakian, A.
    Smadja, G.
    Smirnova, O.
    Sokolov, A.
    Sopczak, A.
    Sosnowski, R.
    Spassov, T.
    Stanitzki, M.
    Stocchi, A.
    Strauss, J.
    Stugu, B.
    Szczekowski, M.
    Szeptycka, M.
    Szumlak, T.
    Tabarelli, T.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Timmermans, J.
    Tkatchev, L.
    Tobin, M.
    Todorovova, S.
    Tome, B.
    Tonazzo, A.
    Tortosa, P.
    Travnicek, P.
    Treille, D.
    Tristram, G.
    Trochimczuk, M.
    Troncon, C.
    Turluer, M-L
    Tyapkin, I. A.
    Tyapkin, P.
    Tzamarias, S.
    Uvarov, V.
    Valenti, G.
    Van Dam, P.
    Van Eldik, J.
    Van Remortel, N.
    Van Vulpen, I.
    Vegni, G.
    Veloso, F.
    Venus, W.
    Verdier, P.
    Verzi, V.
    Vilanova, D.
    Vitale, L.
    Vrba, V.
    Wahlen, H.
    Washbrook, A. J.
    Weiser, C.
    Wicke, D.
    Wickens, J.
    Wilkinson, G.
    Winter, M.
    Witek, M.
    Yushchenko, O.
    Zalewska, A.
    Zalewski, P.
    Zavrtanik, D.
    Zhuravlov, V.
    Zimin, N. I.
    Zintchenko, A.
    Zupan, M.
    A study of the b-quark fragmentation function with the DELPHI detector at LEP I and an averaged distribution obtained at the Z Pole2011In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 71, no 2, p. 1557-Article in journal (Refereed)
    Abstract [en]

    The nature of b-quark jet hadronisation has been investigated using data taken at the Z peak by the DELPHI detector at LEP. Two complementary methods are used to reconstruct the energy of weakly decaying b-hadrons, E-B(weak). The average value of x(B)(weak) = E-B(weak)/E-beam is measured to be 0.699 +/- 0.011. The resulting x(B)(weak) distribution is then analysed in the framework of two choices for the perturbative contribution (parton shower and Next to Leading Log QCD calculation) in order to extract measurements of the non-perturbative contribution to be used in studies of b-hadron production in other experimental environments than LEP. In the parton shower framework, data favour the Lund model ansatz and corresponding values of its parameters have been determined within PYTHIA 6.156 from DELPHI data: a = 1.84(-0.21)(+0.23) and b = 0.642(-0.063)(+0.073) GeV-2, with a correlation factor rho = 92.2%. Combining the data on the b-quark fragmentation distributions with those obtained at the Z peak by ALEPH, OPAL and SLD, the average value of x(B)(weak) is found to be 0.7092 +/- 0.0025 and the non-perturbative fragmentation component is extracted. Using the combined distribution, a better determination of the Lund parameters is also obtained: a = 1.48(-0.10)(+0.11) and b = 0.509(-0.023)(+0.024) GeV-2, with a correlation factor rho = 92.6%.

  • 875. Abdallah, J.
    et al.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Zupan, M.
    A Determination of the centre-of-mass energy at LEP2 using radiative 2-fermion events2006In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 46, no 2, p. 295-305Article in journal (Refereed)
    Abstract [en]

    Using e(+)e(-) -> mu(+)mu(-)(gamma) and e(+)e(-) -> q (q) over bar(gamma) events radiative to the Z pole, DELPHI has determined the centre-of-mass energy, root s, using energy and momentum constraint methods. The results are expressed as deviations from the nominal LEP centre-of-mass energy, measured using other techniques. The results are found to be compatible with the LEP Energy Working Group estimates for a combination of the 1997 to 2000 data sets.

  • 876. Abdallah, J.
    et al.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Zupan, M.
    Determination of the b quark mass at the M-Z scale with the DELPHI detector at LEP2006In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 46, no 3, p. 569-583Article in journal (Refereed)
    Abstract [en]

    An experimental study of the normalized three-jet rate of b quark events with respect to light quarks events (light = l equivalent to u, d, s) has been performed using the CAMBRIDGE and DURHAM jet algorithms. The data used were collected by the DELPHI experiment at LEP on the Z peak from 1994 to 2000. The results are found to agree with theoretical predictions treating mass corrections at next-to-leading order. Measurements of the b quark mass have also been performed for both the b pole mass: M-b and the b running mass: m(b)(M-Z). Data are found to be better described when using the running mass. The measurement yields:

    m(b)(M-Z) = 2.85 +/- 0.18(stat) +/- 0.13(exp) +/- 0.19(had) +/- 0.12(theo) GeV/c(2).

    for the CAMBRIDGE algorithm. This result is the most precise measurement of the b mass derived from a high energy process. When compared to other b mass determinations by experiments at lower energy scales, this value agrees with the prediction of quantum chromodynamics for the energy evolution of the running mass. The mass measurement is equivalent to a test of the flavour independence of the strong coupling constant with an accuracy of 7 parts per thousand.

  • 877. Abdallah, J.
    et al.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Zupan, M.
    Evidence for an excess of soft photons in hadronic decays of Z(0)2006In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 47, no 2, p. 273-294Article in journal (Refereed)
    Abstract [en]

    Soft photons inside hadronic jets converted in front of the DELPHI main tracker (TPC) in events of qq disintegrations of the Z(0) were studied in the kinematic range 0.2 < E-y < I GeV and transverse momentum with respect to the closest jet direction P-T < 80 MeV/c. A clear excess of photons in the experimental data as compared to the Monte Carlo predictions is observed. This excess (uncorrected for the photon detection efficiency) is (1.17 +/- 0.06 +/- 0.27) x 10(-3) gamma/jet in the specified kinematic region, while the expected level of the inner hadronic bremsstrahlung (which is not included in the Monte Carlo) is (0.340 +/- 0.001 +/- 0.038) X 10(-3) gamma/jet. The ratio of the excess to the predicted bremsstrahlung rate is then (3.4 +/- 0.2 +/- 0.8), which is similar in strength to the anomalous soft photon signal observed in fixed target experiments with hadronic beams.

  • 878. Abdallah, J.
    et al.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Zupan, M.
    Measurement and interpretation of fermion-pair production at LEP energies above the Z resonance2006In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 45, no 3, p. 589-632Article in journal (Refereed)
    Abstract [en]

    This paper presents DELPHI measurements and interpretations of cross-sections, forward-backward asymmetries, and angular distributions, for the e(+)e(-) -> f (f) over bar process for centre-of-mass energies above the Z resonance, from root s similar to 130-207 GeV at the LEP collider. The measurements are consistent with the predictions of the Standard Model and are used to study a variety of models including the S-Matrix ansatz for e(+)e(-) -> f (f) over bar scattering and several models which include physics beyond the Standard Model: the exchange of Z' bosons, contact interactions between fermions, the exchange of gravitons in large extra dimensions and the exchange of (v) over tilde in R-parity violating supersymmetry.

  • 879. Abdallah, J.
    et al.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Zupan, M.
    Single intermediate vector boson production in e(+)e(-) collisions at root s=183-209 GeV2006In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 45, no 2, p. 273-289Article in journal (Refereed)
    Abstract [en]

    The production of single charged and neutral intermediate vector bosons in e(+)e(-) collisions has been studied in the data collected by the DELPHI experiment at LEP at centre-of-mass energies between 183 and 209 GeV, corresponding to an integrated luminosity of about 640 pb(-1). The measured cross-sections for the reactions, determined in limited kinematic regions, are in agreement with the Standard Model predictions.

  • 880. Abdallah, J.
    et al.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Ellert, Mattias
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Tegenfeldt, Fredrik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Zupan, M.
    Study of double-tagged gamma gamma events at LEPII2006In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 46, no 3, p. 559-568Article in journal (Refereed)
    Abstract [en]

    Double-tagged interactions of photons with virtualities Q(2) between 10 GeV2 and 200 GeV2 are studied with the data collected by DELPHI at LEPII from 1998 to 2000, corresponding to an integrated luminosity of 550 pb(-1). The gamma*gamma* -> mu(+)mu(-) data agree with QED predictions. The cross-section of the reaction gamma*gamma* -> hadrons is measured and compared to the LO and NLO BFKL calculations.

  • 881. Abdesselam, A.
    et al.
    Allport, P. P.
    Anderson, B.
    Andricek, L.
    Anghinolfi, F.
    Apsimon, R. J.
    Atkinson, T.
    Austin, A.
    Band, H.
    Barclay, P.
    Barr, A.
    Batchelor, L. E.
    Bates, R. L.
    Batley, J. R.
    Beck, G.
    Becker, H.
    Bell, P.
    Bell, W. H.
    Belymam, A.
    Benes, J.
    Benes, P.
    Berbee, E.
    Bernabeu, J.
    Bethke, S.
    Bingefors, Nils
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Bizzell, J. P.
    Blaszczak, Z. J.
    Blocki, J.
    Broz, J.
    Bohm, J.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brodbeck, T. J.
    de Renstrom, P. Bruckman
    Buis, R.
    Burton, G.
    Buskop, J.
    Buttar, C. M.
    Butterworth, J. M.
    Butterworth, S.
    Capocci, E.
    Carpentieri, C.
    Carter, A. A.
    Carter, J. R.
    Chamizo, M.
    Charlton, D. G.
    Cheplakov, A.
    Chilingarov, A.
    Chouridou, S.
    Chren, D.
    Chu, M. L.
    Cindro, V.
    Ciocio, A.
    Civera, J. V.
    Clark, A.
    Coe, P.
    Colijn, A. P.
    Cooke, P. A.
    Costa, M. J.
    Costanzo, D.
    Curtis-Rous, M.
    Dabinett, C.
    Dabrowski, W.
    Dalmau, J.
    Danielsen, K. M.
    D'Auria, S.
    Dawson, I.
    de Jong, P.
    Dervan, P.
    Dobson, E.
    Doherty, F.
    Dolezal, Z.
    Donega, M.
    D'Onofrio, M.
    Dorholt, O.
    Doubrava, M.
    Duerdoth, I. P.
    Duisters, C.
    Duxfield, R.
    Dwuznik, M.
    Eckert, S.
    Eklund, L.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Escobar, C.
    Evans, D. L.
    Fadeyev, V.
    Fasching, D.
    Feld, L.
    Ferguson, D. P. S.
    Ferrari, P.
    Ferrere, D.
    Fopma, J.
    Ford, P.
    Fortin, R.
    Foster, J. M.
    Fox, H.
    Fraser, T. J.
    Freestone, J.
    French, R. S.
    Fuster, J.
    Gallop, B. J.
    Galuska, M.
    Gannaway, F.
    Garcia, C.
    Garcia-Navarro, J. E.
    Gibson, M.
    Gibson, S.
    Gnanvo, K.
    Godlewski, J.
    Gonzalez, F.
    Gonzalez-Sevilla, S.
    Goodrick, M. J.
    Gorfine, G.
    Gorisek, A.
    Gornicki, E.
    Greenall, A.
    Greenfield, D.
    Gregory, S.
    Grillo, A. A.
    Grosse-Knetter, J.
    Gryska, C.
    Haddad, L.
    Hara, K.
    Harris, M.
    Hartjes, F. G.
    Hauff, D.
    Hawes, B.
    Hayler, T.
    Haywood, S. J.
    Heinemann, F.
    Heinzinger, K.
    Hessey, N. P.
    Heusch, C.
    Hicheur, A.
    Hill, J. C.
    Hodgkinson, M.
    Hodgson, P.
    Hollins, T. I.
    Holt, R.
    Homna, J.
    Horaziovsky, T.
    Howell, D.
    Hughes, G.
    Huse, T.
    Ibbotson, M.
    Ikegami, Y.
    Ilyashenko, I.
    Issever, C.
    Jakubek, J.
    Jackson, J. N.
    Jakobs, K.
    Jared, R. C.
    Jarron, P.
    Johansson, P.
    John, D.
    Jones, A.
    Jones, M.
    Jones, T. J.
    Joos, D.
    Joseph, J.
    Jovanovic, P.
    Jusko, J.
    Jusko, O.
    Kaplon, J.
    Karagoz-Unel, M.
    Ketterer, Ch.
    Kodys, P.
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    Limper, M.
    Lindquist, L. E.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Lindsay, S.
    Linhart, V.
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    Zseneii, A.
    Zhu, H.
    Engineering for the ATLAS SemiConductor Tracker (SCT) end-cap2008In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 3, article id P05002Article in journal (Refereed)
    Abstract [en]

    The ATLAS SemiConductor Tracker (SCT) is a silicon-strip tracking detector which forms part of the ATLAS inner detector. The SCT is designed to track charged particles produced in proton-proton collisions at the Large Hadron Collider (LHC) at CERN at an energy of 14 TeV. The tracker is made up of a central barrel and two identical end-caps. The barrel contains 2112 silicon modules, while each end-cap contains 988 modules. The overall tracking performance depends not only on the intrinsic measurement precision of the modules but also on the characteristics of the whole assembly, in particular, the stability and the total material budget. This paper describes the engineering design and construction of the SCT end-caps, which are required to support mechanically the silicon modules, supply services to them and provide a suitable environment within the inner detector. Critical engineering choices are highlighted and innovative solutions are presented - these will be of interest to other builders of large-scale tracking detectors. The SCT end-caps will be fully connected at the start of 2008. Further commissioning will continue, to be ready for proton-proton collision data in 2008.

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    Moscow State Univ SINP MSU, Skobeltsyn Inst Nucl Phys, Moscow, Russia..
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    LIP Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
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    Sorbonne Univ, Univ Paris Diderot, CNRS, IN2P3,LPNHE, F-75252 Paris, France..
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    Moscow State Univ SINP MSU, Skobeltsyn Inst Nucl Phys, Moscow, Russia..
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    PN Lebedev Phys Inst LPI RAS, Moscow, Russia..
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    Sungkyunkwan Univ, Suwon, Gyeong Gi Do, South Korea..
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Univ Bonn, Phys Inst, Bonn, Germany..
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    Univ Zurich, Phys Inst, Zurich, Switzerland..
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    Sez INFN Napoli, Naples, Italy..
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    LIP Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
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    Sez INFN Napoli, Naples, Italy.;Natl Univ Sci & Technol MISiS, Moscow, Russia.;CERN, European Org Nucl Res, Geneva, Switzerland.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
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    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Lab Nazl INFN Gran Sasso, Laquila, Italy..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    NRC Kurchatov Inst, Inst Theoret & Expt Phys, Moscow, Russia..
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
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    Univ Geneva, Geneva, Switzerland..
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    Middle East Tech Univ, Ankara, Turkey..
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    Humboldt Univ, Berlin, Germany..
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    Imperial Coll London, London, England..
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    Univ Zurich, Phys Inst, Zurich, Switzerland..
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    LIP Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
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    LIP Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Nagoya Univ, Nagoya, Aichi, Japan..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    NRC Kurchatov Inst, Inst Theoret & Expt Phys, Moscow, Russia..
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.;Imperial Coll London, London, England..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Russian Acad Sci INR RAS, Inst Nucl Res, Moscow, Russia..
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    PN Lebedev Phys Inst LPI RAS, Moscow, Russia..
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    Natl Res Nucl Univ MEPhI, Moscow, Russia..
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    PN Lebedev Phys Inst LPI RAS, Moscow, Russia..
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    NRC Kurchatov Inst, Petersburg Nucl Phys Inst, Gatchina, Russia..
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    Middle East Tech Univ, Ankara, Turkey..
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    NRC Kurchatov Inst, Inst High Energy Phys, Protvino, Russia..
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
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    Univ Hamburg, Hamburg, Germany..
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
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    Imperial Coll London, London, England..
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    Yandex Sch Data Anal, Moscow, Russia..
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    Sez INFN Bari, Bari, Italy.;Univ Bari, Bari, Italy..
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    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Univ Belgrade, Inst Phys, Belgrade, Serbia..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Univ Hamburg, Hamburg, Germany..
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    Ankara Univ, Ankara, Turkey..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    NRC Kurchatov Inst, Inst High Energy Phys, Protvino, Russia..
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
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    Russian Acad Sci INR RAS, Inst Nucl Res, Moscow, Russia..
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    Gwangju Natl Univ Educ, Gwangju, South Korea..
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    NRC Kurchatov Inst, Petersburg Nucl Phys Inst, Gatchina, Russia.;St Petersburg Polytech Univ SPbPU, St Petersburg, Russia..
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    Nagoya Univ, Nagoya, Aichi, Japan..
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
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    Aichi Univ Educ, Kariya, Aichi, Japan..
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    Joint Inst Nucl Res, Dubna, Russia..
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    NRC Kurchatov Inst, Inst High Energy Phys, Protvino, Russia..
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    Nagoya Univ, Nagoya, Aichi, Japan..
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    Toho Univ, Funabashi, Chiba, Japan..
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    PN Lebedev Phys Inst LPI RAS, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
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    Humboldt Univ, Berlin, Germany..
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    NRC Kurchatov Inst, Inst Theoret & Expt Phys, Moscow, Russia..
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    Univ Geneva, Geneva, Switzerland..
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    Univ Bonn, Phys Inst, Bonn, Germany..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
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    Natl Univ Sci & Technol MISiS, Moscow, Russia..
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    Russian Acad Sci INR RAS, Inst Nucl Res, Moscow, Russia.;Natl Res Nucl Univ MEPhI, Moscow, Russia.;MIPT, Moscow, Moscow Region, Russia..
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    Yandex Sch Data Anal, Moscow, Russia..
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    Natl Univ Sci & Technol MISiS, Moscow, Russia..
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    Russian Acad Sci INR RAS, Inst Nucl Res, Moscow, Russia..
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    NRC Kurchatov Inst, Petersburg Nucl Phys Inst, Gatchina, Russia..
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    Humboldt Univ, Berlin, Germany..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Lab Nazl INFN Frascati, Frascati, Italy..
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    Univ Zurich, Phys Inst, Zurich, Switzerland..
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    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
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    Korea Univ, Seoul, South Korea..
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    Sorbonne Univ, Univ Paris Diderot, CNRS, IN2P3,LPNHE, F-75252 Paris, France..
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    Sez INFN Napoli, Naples, Italy.;Consorzio CREATE, Naples, Italy..
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    LIP Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
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    Univ Paris Sud, Univ Paris Saclay, IN2P3, CNRS,LAL, Orsay, France..
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    Imperial Coll London, London, England..
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    NRC Kurchatov Inst, Petersburg Nucl Phys Inst, Gatchina, Russia..
    Malinin, A.
    Kurchatov Inst, Natl Res Ctr, Moscow, Russia..
    Manabe, Y.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Managadze, A. K.
    Moscow State Univ SINP MSU, Skobeltsyn Inst Nucl Phys, Moscow, Russia..
    Manfredi, M.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Marsh, S.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Marshall, A. M.
    Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England..
    Mefodev, A.
    Russian Acad Sci INR RAS, Inst Nucl Res, Moscow, Russia..
    Mermod, P.
    Univ Geneva, Geneva, Switzerland..
    Miano, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Mikado, S.
    Nihon Univ, Coll Ind Technol, Narashino, Chiba, Japan..
    Mikhaylov, Yu
    NRC Kurchatov Inst, Inst High Energy Phys, Protvino, Russia..
    Milstead, D. A.
    Stockholm Univ, Stockholm, Sweden..
    Mineev, O.
    Russian Acad Sci INR RAS, Inst Nucl Res, Moscow, Russia..
    Montanari, A.
    Sez INFN Bologna, Bologna, Italy..
    Montesi, M. C.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Morishima, K.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Movchan, S.
    Joint Inst Nucl Res, Dubna, Russia..
    Muttoni, Y.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Naganawa, N.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Nakamura, M.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Nakano, T.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Nasybulin, S.
    NRC Kurchatov Inst, Petersburg Nucl Phys Inst, Gatchina, Russia..
    Ninin, P.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Nishio, A.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Novikov, A.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Obinyakov, B.
    Kurchatov Inst, Natl Res Ctr, Moscow, Russia..
    Ogawa, S.
    Toho Univ, Funabashi, Chiba, Japan..
    Okateva, N.
    PN Lebedev Phys Inst LPI RAS, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Opitz, B.
    Univ Hamburg, Hamburg, Germany..
    Osborne, J.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Ovchynnikov, M.
    Leiden Univ, Leiden, Netherlands.;Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Owtscharenko, N.
    Univ Bonn, Phys Inst, Bonn, Germany..
    Owen, P. H.
    Univ Zurich, Phys Inst, Zurich, Switzerland..
    Pacholek, P.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Paoloni, A.
    Lab Nazl INFN Frascati, Frascati, Italy..
    Park, B. D.
    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
    Pastore, A.
    Sez INFN Bari, Bari, Italy..
    Patel, M.
    Natl Univ Sci & Technol MISiS, Moscow, Russia.;Imperial Coll London, London, England..
    Pereyma, D.
    NRC Kurchatov Inst, Inst Theoret & Expt Phys, Moscow, Russia..
    Perillo-Marcone, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Petkov, G. L.
    Sofia Univ, Fac Phys, Sofia, Bulgaria..
    Petridis, K.
    Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England..
    Petrov, A.
    Kurchatov Inst, Natl Res Ctr, Moscow, Russia..
    Podgrudkov, D.
    Moscow State Univ SINP MSU, Skobeltsyn Inst Nucl Phys, Moscow, Russia..
    Poliakov, V
    NRC Kurchatov Inst, Inst High Energy Phys, Protvino, Russia..
    Polukhina, N.
    PN Lebedev Phys Inst LPI RAS, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia.;Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Prieto, J. Prieto
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Prokudin, M.
    NRC Kurchatov Inst, Inst Theoret & Expt Phys, Moscow, Russia..
    Prota, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Quercia, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Rademakers, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Rakai, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Ratnikov, F.
    Yandex Sch Data Anal, Moscow, Russia..
    Rawlings, T.
    STFC Rutherford Appleton Lab, Didcot, Oxon, England..
    Redi, F.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Ricciardi, S.
    STFC Rutherford Appleton Lab, Didcot, Oxon, England..
    Rinaldesi, M.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Rodin, Volodymyr
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Rodin, Viktor
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Robbe, P.
    Univ Paris Sud, Univ Paris Saclay, IN2P3, CNRS,LAL, Orsay, France..
    Cavalcante, A. B. Rodrigues
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Roganova, T.
    Moscow State Univ SINP MSU, Skobeltsyn Inst Nucl Phys, Moscow, Russia..
    Rokujo, H.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Rosa, G.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Rovelli, T.
    Sez INFN Bologna, Bologna, Italy.;Univ Bologna, Bologna, Italy..
    Ruchayskiy, O.
    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark..
    Ruf, T.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Samoylenko, V
    NRC Kurchatov Inst, Inst High Energy Phys, Protvino, Russia..
    Samsonov, V
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Galan, F. Sanchez
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Diaz, P. Santos
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Ull, A. Sanz
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Saputi, A.
    Lab Nazl INFN Frascati, Frascati, Italy..
    Sato, O.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Savchenko, E. S.
    Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Schliwinski, J. S.
    Humboldt Univ, Berlin, Germany..
    Schmidt-Parzefall, W.
    Univ Hamburg, Hamburg, Germany..
    Serra, N.
    Natl Univ Sci & Technol MISiS, Moscow, Russia.;Univ Zurich, Phys Inst, Zurich, Switzerland..
    Sgobba, S.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Shadura, O.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Shakin, A.
    Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Shaposhnikov, M.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Shatalov, P.
    NRC Kurchatov Inst, Inst Theoret & Expt Phys, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Shchedrina, T.
    PN Lebedev Phys Inst LPI RAS, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Shchutska, L.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Shevchenko, V
    Kurchatov Inst, Natl Res Ctr, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Shibuya, H.
    Toho Univ, Funabashi, Chiba, Japan..
    Shihora, L.
    Humboldt Univ, Berlin, Germany..
    Shirobokov, S.
    Imperial Coll London, London, England..
    Shustov, A.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Silverstein, S. B.
    Stockholm Univ, Stockholm, Sweden..
    Simone, S.
    Sez INFN Bari, Bari, Italy.;Univ Bari, Bari, Italy..
    Simoniello, R.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Skorokhvatov, M.
    Kurchatov Inst, Natl Res Ctr, Moscow, Russia.;Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Smirnov, S.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Sohn, J. Y.
    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Solodko, E.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Starkov, N.
    PN Lebedev Phys Inst LPI RAS, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Stoel, L.
    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Sukhonos, D.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Suzuki, Y.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Takahashi, S.
    Kobe Univ, Kobe, Hyogo, Japan..
    Tastet, J. L.
    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark..
    Teterin, P.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Naing, S. Than
    PN Lebedev Phys Inst LPI RAS, Moscow, Russia..
    Timiryasov, I
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Tioukov, V
    Sez INFN Napoli, Naples, Italy..
    Tommasini, D.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Torii, M.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Tosi, N.
    Sez INFN Bologna, Bologna, Italy..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
    Tsenov, R.
    Sofia Univ, Fac Phys, Sofia, Bulgaria.;Joint Inst Nucl Res, Dubna, Russia..
    Ulin, S.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Ursov, E.
    Moscow State Univ SINP MSU, Skobeltsyn Inst Nucl Phys, Moscow, Russia..
    Ustyuzhanin, A.
    Natl Univ Sci & Technol MISiS, Moscow, Russia.;Yandex Sch Data Anal, Moscow, Russia..
    Uteshev, Z.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Vankova-Kirilova, G.
    Sofia Univ, Fac Phys, Sofia, Bulgaria..
    Vannucci, F.
    Sorbonne Univ, Univ Paris Diderot, CNRS, IN2P3,LPNHE, F-75252 Paris, France..
    Venturi, V.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Vilchinski, S.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Vincke, Heinz
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Vincke, Helmut
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Visone, C.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Vlasik, K.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Volkov, A.
    PN Lebedev Phys Inst LPI RAS, Moscow, Russia.;Kurchatov Inst, Natl Res Ctr, Moscow, Russia..
    Voronkov, R.
    PN Lebedev Phys Inst LPI RAS, Moscow, Russia..
    van Waasen, S.
    Forschungszentrum Julich, Julich, Germany..
    Wanke, R.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Wertelaers, P.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Williams, O.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Woo, J-K
    Jeju Natl Univ, Jeju, South Korea..
    Wurm, M.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Xella, S.
    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark..
    Yilmaz, D.
    Ankara Univ, Ankara, Turkey..
    Yilmazer, A. U.
    Ankara Univ, Ankara, Turkey..
    Yoon, C. S.
    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
    Zaytsev, Yu
    NRC Kurchatov Inst, Inst Theoret & Expt Phys, Moscow, Russia..
    Zimmerman, J.
    Humboldt Univ, Berlin, Germany..
    Measurement of the muon flux from 400 GeV/c protons interacting in a thick molybdenum/tungsten target2020In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 80, no 3, article id 284Article in journal (Refereed)
    Abstract [en]

    The SHiP experiment is proposed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. About 1011muons per spill will be produced in the dump. To design the experiment such that the muon-induced background is minimized, a precise knowledge of the muon spectrum is required. To validate the muon flux generated by our Pythia and GEANT4 based Monte Carlo simulation (FairShip), we have measured the muon flux emanating from a SHiP-like target at the SPS. This target, consisting of 13 interaction lengths of slabs of molybdenum and tungsten, followed by a 2.4 m iron hadron absorber was placed in the H4 400 GeV/c proton beam line. To identify muons and to measure the momentum spectrum, a spectrometer instrumented with drift tubes and a muon tagger were used. During a 3-week period a dataset for analysis corresponding to (3.27 +/- 0.07)x1011protons on target was recorded. This amounts to approximatively 1% of a SHiP spill.

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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
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    St Petersburg Polytech Univ SPbPU, St Petersburg, Russia;Petersburg Nucl Phys Inst, Gatchina, Russia.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    Univ Hamburg, Hamburg, Germany.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    Lab Nazl INFN Frascati, Frascati, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    UCL, London, England.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Lab Nazl INFN Frascati, Frascati, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Bonn, Phys Inst, Bonn, Germany.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Joint Inst Nucl Res, Dubna, Russia.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    PN Lebedev Phys Inst LPI, Moscow, Russia.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    PN Lebedev Phys Inst LPI, Moscow, Russia.
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    Kurchatov Inst, NRC, Petersburg Nucl Phys Inst, Gatchina, Russia.
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    Middle East Tech Univ, Ankara, Turkey.
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    Kurchatov Inst, NRC, Inst High Energy Phys, Protvino, Russia.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    Univ Hamburg, Hamburg, Germany.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Imperial Coll London, London, England.
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    Yandex Sch Data Anal, Moscow, Russia.
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    Sez INFN Bari, Bari, Italy;Univ Bari, Bari, Italy.
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    Sez INFN Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    PN Lebedev Phys Inst LPI, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Belgrade, Inst Phys, Belgrade, Serbia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Hamburg, Hamburg, Germany.
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    Ankara Univ, Ankara, Turkey.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    Kurchatov Inst, NRC, Inst High Energy Phys, Protvino, Russia.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
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    Gwangju Natl Univ Educ, Gwangju, South Korea;Gyeongsang Natl Univ, Jinju, South Korea.
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    Kurchatov Inst, NRC, Petersburg Nucl Phys Inst, Gatchina, Russia;St Petersburg Polytech Univ SPbPU, St Petersburg, Russia;Petersburg Nucl Phys Inst, Gatchina, Russia.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
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    Aichi Univ Educ, Kariya, Aichi, Japan.
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    Joint Inst Nucl Res, Dubna, Russia.
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    Kurchatov Inst, NRC, Inst High Energy Phys, Protvino, Russia.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    PN Lebedev Phys Inst LPI, Moscow, Russia.
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    Toho Univ, Funabashi, Chiba, Japan.
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    PN Lebedev Phys Inst LPI, Moscow, Russia;Natl Univ Sci & Technol MISiS, Moscow, Russia.
    Kormannshaus, S.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Humboldt Univ, Berlin, Germany.
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    Kurchatov Inst, Inst Theoret & Expt Phys, NRC, Moscow, Russia.
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    Univ Geneva, Geneva, Switzerland.
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    Univ Bonn, Phys Inst, Bonn, Germany.
    Platia, E. Koukovini
    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia;Natl Res Nucl Univ MEPhI, Moscow, Russia;Moscow Inst Phys & Technol, Moscow, Moscow Region, Russia.
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    Yandex Sch Data Anal, Moscow, Russia.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Kurchatov Inst, NRC, Petersburg Nucl Phys Inst, Gatchina, Russia.
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    Humboldt Univ, Berlin, Germany.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Lab Nazl INFN Frascati, Frascati, Italy.
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    Imperial Coll London, London, England.
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    Sez INFN Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Korea Univ, Seoul, South Korea.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
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    Sorbonne Univ, Univ Paris Diderot, LPNHE, CNRS IN2P3, F-75252 Paris, France.
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    Sez INFN Napoli, Naples, Italy;Consorzio CREATE, Naples, Italy.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile.
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    Univ Paris Sud, Univ Paris Saclay, LAL, CNRS IN2P3, Orsay, France.
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    Imperial Coll London, London, England.
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    Kurchatov Inst, NRC, Petersburg Nucl Phys Inst, Gatchina, Russia.
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    Kurchatov Inst, Natl Res Ctr, Moscow, Russia.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Univ Geneva, Geneva, Switzerland.
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    Sez INFN Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Nihon Univ, Coll Ind Technol, Narashino, Chiba, Japan.
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    Kurchatov Inst, NRC, Inst High Energy Phys, Protvino, Russia.
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    Stockholm Univ, Stockholm, Sweden.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Sez INFN Bologna, Bologna, Italy.
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    Sez INFN Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Joint Inst Nucl Res, Dubna, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Kurchatov Inst, NRC, Petersburg Nucl Phys Inst, Gatchina, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Kurchatov Inst, Natl Res Ctr, Moscow, Russia.
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    Toho Univ, Funabashi, Chiba, Japan.
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    PN Lebedev Phys Inst LPI, Moscow, Russia;Natl Univ Sci & Technol MISiS, Moscow, Russia.
    Opitz, B.
    Univ Hamburg, Hamburg, Germany.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Leiden Univ, Leiden, Netherlands;Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Univ Bonn, Phys Inst, Bonn, Germany.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Lab Nazl INFN Frascati, Frascati, Italy.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
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    Korea Univ, Seoul, South Korea.
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    Sez INFN Bari, Bari, Italy.
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    Imperial Coll London, London, England.
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    Kurchatov Inst, Inst Theoret & Expt Phys, NRC, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Sofia Univ, Fac Phys, Sofia, Bulgaria.
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    Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England.
    Petrov, A.
    Kurchatov Inst, Natl Res Ctr, Moscow, Russia.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
    Poliakov, V
    Kurchatov Inst, NRC, Inst High Energy Phys, Protvino, Russia.
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    PN Lebedev Phys Inst LPI, Moscow, Russia;Natl Univ Sci & Technol MISiS, Moscow, Russia;Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Kurchatov Inst, Inst Theoret & Expt Phys, NRC, Moscow, Russia.
    Prota, A.
    Sez INFN Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
    Quercia, A.
    Sez INFN Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
    Rademakers, A.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Rakai, A.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Ratnikov, F.
    Yandex Sch Data Anal, Moscow, Russia.
    Rawlings, T.
    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
    Redi, F.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
    Ricciardi, S.
    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
    Rodin, Viktor
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Univ Paris Sud, Univ Paris Saclay, LAL, CNRS IN2P3, Orsay, France.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Sez INFN Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Sez INFN Bologna, Bologna, Italy;Univ Bologna, Bologna, Italy.
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    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Kurchatov Inst, NRC, Inst High Energy Phys, Protvino, Russia.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Lab Nazl INFN Frascati, Frascati, Italy.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Humboldt Univ, Berlin, Germany.
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    Univ Hamburg, Hamburg, Germany.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    Kurchatov Inst, Inst Theoret & Expt Phys, NRC, Moscow, Russia.
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    PN Lebedev Phys Inst LPI, Moscow, Russia;Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    Kurchatov Inst, Natl Res Ctr, Moscow, Russia.
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    Toho Univ, Funabashi, Chiba, Japan.
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    Humboldt Univ, Berlin, Germany.
    Shirobokov, S.
    Imperial Coll London, London, England.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Stockholm Univ, Stockholm, Sweden.
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    Sez INFN Bari, Bari, Italy;Univ Bari, Bari, Italy.
    Simoniello, R.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Kurchatov Inst, Natl Res Ctr, Moscow, Russia;Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    PN Lebedev Phys Inst LPI, Moscow, Russia;Kurchatov Inst, Natl Res Ctr, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
    Suzuki, Y.
    Nagoya Univ, Nagoya, Aichi, Japan.
    Takahashi, S.
    Kobe Univ, Kobe, Hyogo, Japan.
    Tastet, J. L.
    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
    Naing, S. Than
    PN Lebedev Phys Inst LPI, Moscow, Russia.
    Timiryasov, I
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
    Tioukov, V
    Sez INFN Napoli, Naples, Italy.
    Tommasini, D.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Torii, M.
    Nagoya Univ, Nagoya, Aichi, Japan.
    Tosi, N.
    Sez INFN Bologna, Bologna, Italy.
    Treille, D.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Tsenov, R.
    Sofia Univ, Fac Phys, Sofia, Bulgaria;Joint Inst Nucl Res, Dubna, Russia.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Yandex Sch Data Anal, Moscow, Russia.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Sofia Univ, Fac Phys, Sofia, Bulgaria.
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    Sorbonne Univ, Univ Paris Diderot, LPNHE, CNRS IN2P3, F-75252 Paris, France.
    Venkova, P.
    Humboldt Univ, Berlin, Germany.
    Venturi, V.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Vilchinski, S.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
    Villa, M.
    Sez INFN Bologna, Bologna, Italy;Univ Bologna, Bologna, Italy.
    Vincke, Heinz
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Vincke, Helmut
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Visone, C.
    Sez INFN Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
    Vlasik, K.
    Natl Res Nucl Univ MEPhI, Moscow, Russia.
    Volkov, A.
    PN Lebedev Phys Inst LPI, Moscow, Russia;Kurchatov Inst, Natl Res Ctr, Moscow, Russia.
    Voronkov, R.
    PN Lebedev Phys Inst LPI, Moscow, Russia.
    van Waasen, S.
    Forschungszentrum Julich, Julich, Germany.
    Wanke, R.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
    Wertelaers, P.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Woo, J-K
    Jeju Natl Univ, Jeju, South Korea;Gyeongsang Natl Univ, Jinju, South Korea.
    Wurm, M.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
    Xella, S.
    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark.
    Yilmaz, D.
    Ankara Univ, Ankara, Turkey.
    Yilmazer, A. U.
    Ankara Univ, Ankara, Turkey.
    Yoon, C. S.
    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
    Zarubin, P.
    Joint Inst Nucl Res, Dubna, Russia.
    Zarubina, I
    Joint Inst Nucl Res, Dubna, Russia.
    Zaytsev, Yu
    Kurchatov Inst, Inst Theoret & Expt Phys, NRC, Moscow, Russia.
    Fast simulation of muons produced at the SHiP experiment using Generative Adversarial Networks2019In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 14, article id P11028Article in journal (Refereed)
    Abstract [en]

    This paper presents a fast approach to simulating muons produced in interactions of the SPS proton beams with the target of the SHiP experiment. The SHIP experiment will be able to search for new long-lived particles produced in a 400 GeV/c SPS proton beam dump and which travel distances between fifty metres and tens of kilometers. The SHiP detector needs to operate under ultra-low background conditions and requires large simulated samples of muon induced background processes. Through the use of Generative Adversarial Networks it is possible to emulate the simulation of the interaction of 400 GeV/c proton beams with the SHiP target, an otherwise computationally intensive process. For the simulation requirements of the SHiP experiment, generative networks are capable of approximating the full simulation of the dense fixed target, offering a speed increase by a factor of O(10(6)). To evaluate the performance of such an approach, comparisons of the distributions of reconstructed muon momenta in SHiP's spectrometer between samples using the full simulation and samples produced through generative models are presented. The methods discussed in this paper can be generalised and applied to modelling any non-discrete multi-dimensional distribution.

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    Kobe Univ, Kobe, Hyogo, Japan..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
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    STFC Rutherford Appleton Lab, Didcot, Oxon, England..
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    Lab Nazl INFN Frascati, Frascati, Italy..
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    St Petersburg Polytech Univ SPbPU, St Petersburg, Russia..
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    St Petersburg Polytech Univ SPbPU, St Petersburg, Russia..
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    PN Lebedev Phys Inst LPI, Moscow, Russia..
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    Lab Nazl INFN Frascati, Frascati, Italy..
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    Univ Zurich, Inst Phys, Zurich, Switzerland..
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    Univ Zurich, Inst Phys, Zurich, Switzerland..
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
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    Univ Hamburg, Hamburg, Germany..
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    STFC Rutherford Appleton Lab, Didcot, Oxon, England..
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    Leiden Univ, Leiden, Netherlands..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    Leiden Univ, Leiden, Netherlands.;Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
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    Univ Zurich, Inst Phys, Zurich, Switzerland..
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    Lab Nazl INFN Frascati, Frascati, Italy..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
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    UCL, London, England..
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    CERN, European Org Nucl Res, Geneva, Switzerland..
    Charitonidis, N.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Chau, P.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Chauveau, J.
    Univ Paris Diderot, Sorbonne Univ, LPNHE, IN2P3,CNRS, F-75252 Paris, France..
    Chepurnov, A.
    SINP MSU, Moscow, Russia..
    Chernyavskiy, M.
    PN Lebedev Phys Inst LPI, Moscow, Russia..
    Choi, K. -Y
    Chumakov, A.
    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
    Ciambrone, P.
    Lab Nazl INFN Frascati, Frascati, Italy..
    Congedo, L.
    Sez INFN Bari, Bari, Italy.;Univ Bari, Bari, Italy..
    Cornelis, K.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Cristinziani, M.
    Univ Bonn, Inst Phys, Bonn, Germany..
    Crupano, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Dallavalle, G. M.
    Sez INFN Bologna, Bologna, Italy..
    Datwyler, A.
    Univ Zurich, Inst Phys, Zurich, Switzerland..
    D'Ambrosiio, N.
    Lab Nazl INFN Gran Sasso, Laquila, Italy..
    D'Appollonio, G.
    Sez INFN Cagliari, Cagliari, Italy.;Univ Cagliari, Cagliari, Italy..
    Saraiva, J. De Carvalho
    LIP, Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
    De Lellis, G.
    Sez INFN Napoli, Naples, Italy.;Natl Univ Sci & Technol MISiS, Moscow, Russia.;CERN, European Org Nucl Res, Geneva, Switzerland.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    de Magistris, M.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Parthenope, Naples, Italy..
    De Roeck, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    De Serio, M.
    Sez INFN Bari, Bari, Italy.;Univ Bari, Bari, Italy..
    De Simone, D.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Dedenko, L.
    SINP MSU, Moscow, Russia..
    Dergachev, P.
    Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Di Crescenzo, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Dib, C.
    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
    Dijkstra, H.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Dipinto, P.
    Sez INFN Bari, Bari, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Dmitrenko, V.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Dmitrievskiy, S.
    Joint Inst Nucl Res, Dubna, Russia..
    Dougherty, L. A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Dolmatov, A.
    ITEP NRC Kurchatov Inst, Moscow, Russia..
    Domenici, D.
    Lab Nazl INFN Frascati, Frascati, Italy..
    Donskov, S.
    IHEP NRC Kurchatov Inst, Protvino, Russia..
    Drohan, V.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Dubreuil, A.
    Univ Geneva, Geneva, Switzerland..
    Ehlert, M.
    Humboldt Univ, Berlin, Germany..
    Enik, T.
    Joint Inst Nucl Res, Dubna, Russia..
    Etenko, A.
    Natl Res Ctr Kurchatov Inst, Moscow, Russia.;Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Fabbri, F.
    Sez INFN Bologna, Bologna, Italy..
    Fabbri, L.
    Sez INFN Bologna, Bologna, Italy.;Univ Bologna, Bologna, Italy..
    Fabich, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Fedin, O.
    PNPI NRC Kurchatov Inst, Gatchina, Russia..
    Fedotovs, F.
    Imperial Coll London, London, England..
    Felici, G.
    Lab Nazl INFN Frascati, Frascati, Italy..
    Ferro-Luzzi, M.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Filippov, K.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Fini, R. A.
    Sez INFN Bari, Bari, Italy..
    Fonte, P.
    LIP, Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
    Franco, C.
    LIP, Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
    Fraser, M.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Fresa, R.
    Sez INFN Napoli, Naples, Italy.;Consorzio CREATE, Naples, Italy.;Univ Basilicata, Potenza, Italy..
    Froeschl, R.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Fukuda, T.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Galati, G.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Gall, J.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Gatignon, L.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Gavrilov, G.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Gentile, V.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Gerlach, S.
    Humboldt Univ, Berlin, Germany..
    Goddard, B.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Golinka-Bezshyyko, L.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Golovatiuk, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Golubkov, D.
    ITEP NRC Kurchatov Inst, Moscow, Russia..
    Golutvin, A.
    Imperial Coll London, London, England..
    Gorbounov, P.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Gorbunov, D.
    INR RAS, Moscow, Russia..
    Gorbunov, S.
    PN Lebedev Phys Inst LPI, Moscow, Russia..
    Gorkavenko, V.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Gornushkin, Y.
    Joint Inst Nucl Res, Dubna, Russia..
    Gorshenkov, M.
    Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Grachev, V.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Grandchamp, A. L.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Granich, G.
    PN Lebedev Phys Inst LPI, Moscow, Russia..
    Graverini, E.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Grenard, J. -L
    Grenier, D.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Grichine, V.
    PN Lebedev Phys Inst LPI, Moscow, Russia..
    Gruzinskii, N.
    PNPI NRC Kurchatov Inst, Gatchina, Russia..
    Guler, A. M.
    Middle East Tech Univ, Ankara, Turkey..
    Guz, Yu.
    IHEP NRC Kurchatov Inst, Protvino, Russia..
    Haefeli, G. J.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Hagner, C.
    Univ Hamburg, Hamburg, Germany..
    Hakobyan, H.
    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
    Harris, I. W.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    van Herwijnen, E.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Hessler, C.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Hollnagel, A.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Hosseini, B.
    Imperial Coll London, London, England..
    Hushchyn, M.
    Yandex Sch Data Anal, Moscow, Russia..
    Iaselli, G.
    Sez INFN Bari, Bari, Italy.;Univ Bari, Bari, Italy..
    Iuliano, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Ivantchenko, V.
    PN Lebedev Phys Inst LPI, Moscow, Russia..
    Jacobsson, R.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Jokovic, D.
    Univ Belgrade, Inst Phys, Belgrade, Serbia..
    Jonker, M.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Kadenko, I.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Kain, V.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Kaiser, B.
    Univ Hamburg, Hamburg, Germany..
    Kamiscioglu, C.
    Ankara Univ, Ankara, Turkey..
    Kershaw, K.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Khabibullin, M.
    INR RAS, Moscow, Russia..
    Khalikov, E.
    SINP MSU, Moscow, Russia..
    Khaustov, G.
    IHEP NRC Kurchatov Inst, Protvino, Russia..
    Khoriauli, G.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Khotyantsev, A.
    INR RAS, Moscow, Russia..
    Kim, S. H.
    Gyeongsang Natl Univ, Dept Phys Educ, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
    Kim, Y. G.
    Gwangju Natl Univ Educ, Gwangju, South Korea..
    Kim, V.
    PNPI NRC Kurchatov Inst, Gatchina, Russia.;St Petersburg Polytech Univ SPbPU, St Petersburg, Russia..
    Kitagawa, N.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Ko, J. -W
    Kodama, K.
    Aichi Univ Educ, Kariya, Aichi, Japan..
    Kolesnikov, A.
    Joint Inst Nucl Res, Dubna, Russia..
    Kolev, D. I.
    Sofia Univ, Fac Phys, Sofia, Bulgaria..
    Kolosov, V.
    IHEP NRC Kurchatov Inst, Protvino, Russia..
    Komatsu, M.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Kondrateva, N.
    PN Lebedev Phys Inst LPI, Moscow, Russia..
    Kono, A.
    Toho Univ, Funabashi, Chiba, Japan..
    Konovalova, N.
    PN Lebedev Phys Inst LPI, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Kormannshaus, S.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Korol, I.
    Humboldt Univ, Berlin, Germany..
    Korol'ko, I.
    ITEP NRC Kurchatov Inst, Moscow, Russia..
    Korzenev, A.
    Univ Geneva, Geneva, Switzerland..
    Kostyukhin, V.
    Univ Bonn, Inst Phys, Bonn, Germany..
    Platia, E. Koukovini
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Kovalenko, S.
    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
    Krasilnikova, I.
    Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Kudenko, Y.
    INR RAS, Moscow, Russia.;Natl Res Nucl Univ MEPhI, Moscow, Russia.;MIPT, Moscow, Russia..
    Kurbatov, E.
    Yandex Sch Data Anal, Moscow, Russia..
    Kurbatov, P.
    Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Kurochka, V.
    INR RAS, Moscow, Russia..
    Kuznetsova, E.
    PNPI NRC Kurchatov Inst, Gatchina, Russia..
    Lacker, H. M.
    Humboldt Univ, Berlin, Germany..
    Lamont, M.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Lanfranchi, G.
    Lab Nazl INFN Frascati, Frascati, Italy..
    Lantwin, O.
    Univ Zurich, Inst Phys, Zurich, Switzerland..
    Lauria, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Lee, K. S.
    Korea Univ, Seoul, South Korea..
    Lee, K. Y.
    Gyeongsang Natl Univ, Dept Phys Educ, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
    Levy, J. -M
    Loschiavo, V. P.
    Sez INFN Napoli, Naples, Italy.;Univ Sannio, Benevento, Italy..
    Lopes, L.
    LIP, Lab Instrumentat & Expt Particle Phys, Lisbon, Portugal..
    Sola, E. Lopez
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Lyubovitskij, V.
    Univ Tecn Federico Santa Maria, Valparaiso, Chile.;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile..
    Maalmi, J.
    Univ Paris Saclay, Univ Paris Sud, LAL, CNRS,IN2P3, Orsay, France..
    Magnan, A.
    Imperial Coll London, London, England..
    Maleev, V.
    PNPI NRC Kurchatov Inst, Gatchina, Russia..
    Malinin, A.
    Natl Res Ctr Kurchatov Inst, Moscow, Russia..
    Manabe, Y.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Managadze, A. K.
    SINP MSU, Moscow, Russia..
    Manfredi, M.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Marsh, S.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Marshall, A. M.
    Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England..
    Mefodev, A.
    INR RAS, Moscow, Russia..
    Mermod, P.
    Univ Geneva, Geneva, Switzerland..
    Miano, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Mikado, S.
    Nihon Univ, Coll Ind Technol, Narashino, Chiba, Japan..
    Mikhaylov, Yu.
    IHEP NRC Kurchatov Inst, Protvino, Russia..
    Milstead, D. A.
    Stockholm Univ, Stockholm, Sweden..
    Mineev, O.
    INR RAS, Moscow, Russia..
    Minutolo, V.
    Univ Campania Luigi Vanvitelli, Caserta, Italy..
    Montanari, A.
    Sez INFN Bologna, Bologna, Italy..
    Montesi, M. C.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Morishima, K.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Movchan, S.
    Joint Inst Nucl Res, Dubna, Russia..
    Muttoni, Y.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Naganawa, N.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Nakamura, M.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Nakano, T.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Nasybulin, S.
    PNPI NRC Kurchatov Inst, Gatchina, Russia..
    Ninin, P.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Nishio, A.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Novikov, A.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Obinyakov, B.
    Natl Res Ctr Kurchatov Inst, Moscow, Russia..
    Ogawa, S.
    Toho Univ, Funabashi, Chiba, Japan..
    Okateva, N.
    PN Lebedev Phys Inst LPI, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Opitz, B.
    Univ Hamburg, Hamburg, Germany..
    Osborne, J.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Ovchynnikov, M.
    Leiden Univ, Leiden, Netherlands.;Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Owtscharenko, N.
    Univ Bonn, Inst Phys, Bonn, Germany..
    Owen, P. H.
    Univ Zurich, Inst Phys, Zurich, Switzerland..
    Pacholek, P.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Paoloni, A.
    Lab Nazl INFN Frascati, Frascati, Italy..
    Park, B. D.
    Gyeongsang Natl Univ, Dept Phys Educ, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
    Park, S. K.
    Korea Univ, Seoul, South Korea..
    Passeggio, G.
    Sez INFN Napoli, Naples, Italy..
    Pastore, A.
    Sez INFN Bari, Bari, Italy..
    Patel, M.
    Imperial Coll London, London, England..
    Pereyma, D.
    ITEP NRC Kurchatov Inst, Moscow, Russia..
    Perillo-Marcone, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Petkov, G. L.
    Sofia Univ, Fac Phys, Sofia, Bulgaria..
    Petridis, K.
    Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England..
    Petrov, A.
    Natl Res Ctr Kurchatov Inst, Moscow, Russia..
    Podgrudkov, D.
    SINP MSU, Moscow, Russia..
    Poliakov, V.
    IHEP NRC Kurchatov Inst, Protvino, Russia..
    Polukhina, N.
    PN Lebedev Phys Inst LPI, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia.;Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Prieto, J.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Prokudin, M.
    ITEP NRC Kurchatov Inst, Moscow, Russia..
    Prota, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Quercia, A.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Rademakers, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Rakai, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Ratnikov, F.
    Yandex Sch Data Anal, Moscow, Russia..
    Rawlings, T.
    STFC Rutherford Appleton Lab, Didcot, Oxon, England..
    Redi, F.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Ricciardi, S.
    STFC Rutherford Appleton Lab, Didcot, Oxon, England..
    Rinaldesi, M.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Rodin, Volodymyr
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Rodin, Viktor
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Robbe, P.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Cavalcante, A. B. Rodrigues
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Roganova, T.
    SINP MSU, Moscow, Russia..
    Rokujo, H.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Rosa, G.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Rovelli, T.
    Sez INFN Bologna, Bologna, Italy.;Univ Bologna, Bologna, Italy..
    Ruchayskiy, O.
    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark..
    Ruf, T.
    Sez INFN Napoli, Naples, Italy..
    Samoylenko, V.
    IHEP NRC Kurchatov Inst, Protvino, Russia..
    Samsonov, V.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Galan, F. Sanchez
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Diaz, P. Santos
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Sanz, A.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Saputi, A.
    Lab Nazl INFN Frascati, Frascati, Italy..
    Sato, O.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Savchenko, E. S.
    Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Schliwinski, J. S.
    Humboldt Univ, Berlin, Germany..
    Schmidt-Parzefall, W.
    Univ Hamburg, Hamburg, Germany..
    Serra, N.
    Univ Zurich, Inst Phys, Zurich, Switzerland..
    Sgobba, S.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Shadura, O.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Shakin, A.
    Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Shaposhnikov, M.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Shatalov, P.
    ITEP NRC Kurchatov Inst, Moscow, Russia..
    Shchedrina, T.
    PN Lebedev Phys Inst LPI, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Shchutska, L.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Shevchenko, V.
    Natl Res Ctr Kurchatov Inst, Moscow, Russia..
    Shibuya, H.
    Toho Univ, Funabashi, Chiba, Japan..
    Shihora, L.
    Humboldt Univ, Berlin, Germany..
    Shirobokov, S.
    Imperial Coll London, London, England..
    Shustov, A.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Silverstein, S. B.
    Stockholm Univ, Stockholm, Sweden..
    Simone, S.
    Sez INFN Bari, Bari, Italy.;Univ Bari, Bari, Italy..
    Simoniello, R.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Skorokhvatov, M.
    Natl Res Ctr Kurchatov Inst, Moscow, Russia.;Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Smirnov, S.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Sohn, J. Y.
    Gyeongsang Natl Univ, Dept Phys Educ, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
    Sokolenko, A.
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine..
    Solodko, E.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Starkov, N.
    PN Lebedev Phys Inst LPI, Moscow, Russia.;Natl Univ Sci & Technol MISiS, Moscow, Russia..
    Stoel, L.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Storaci, B.
    Univ Zurich, Inst Phys, Zurich, Switzerland..
    Stramaglia, M. E.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Sukhonos, D.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Suzuki, Y.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Takahashi, S.
    Kobe Univ, Kobe, Hyogo, Japan..
    Tastet, J. L.
    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark..
    Teterin, P.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Naing, S. Than
    PN Lebedev Phys Inst LPI, Moscow, Russia..
    Timiryasov, I.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland..
    Tioukov, V.
    Sez INFN Napoli, Naples, Italy..
    Tommasini, D.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Torii, M.
    Nagoya Univ, Nagoya, Aichi, Japan..
    Tosi, N.
    Sez INFN Bologna, Bologna, Italy..
    Treille, D.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Tsenov, R.
    Sofia Univ, Fac Phys, Sofia, Bulgaria.;Joint Inst Nucl Res, Dubna, Russia..
    Ulin, S.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Ustyuzhanin, A.
    Yandex Sch Data Anal, Moscow, Russia..
    Uteshev, Z.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Vankova-Kirilova, G.
    Sofia Univ, Fac Phys, Sofia, Bulgaria..
    Vannucci, F.
    Univ Paris Diderot, Sorbonne Univ, LPNHE, IN2P3,CNRS, F-75252 Paris, France..
    Venkova, P.
    Humboldt Univ, Berlin, Germany..
    Venturi, V.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Vilchinski, S.
    Univ Paris Diderot, Sorbonne Univ, LPNHE, IN2P3,CNRS, F-75252 Paris, France..
    Villa, M.
    Sez INFN Bologna, Bologna, Italy.;Univ Bologna, Bologna, Italy..
    Vincke, Heinz
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Vincke, Helmut
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Visone, C.
    Sez INFN Napoli, Naples, Italy.;Univ Napoli Federico II, Naples, Italy. Gyeongsang Natl Univ, Jinju, South Korea. PNPI, Gatchina, Russia..
    Vlasik, K.
    Natl Res Nucl Univ MEPhI, Moscow, Russia..
    Volkov, A.
    PN Lebedev Phys Inst LPI, Moscow, Russia.;Natl Res Ctr Kurchatov Inst, Moscow, Russia..
    Voronkov, R.
    PN Lebedev Phys Inst LPI, Moscow, Russia..
    van Waasen, S.
    Forschungszentrum Julich, Julich, Germany..
    Wanke, R.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Wertelaers, P.
    CERN, European Org Nucl Res, Geneva, Switzerland..
    Woo, J. -K
    Wurm, M.
    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany..
    Xella, S.
    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark..
    Yilmaz, D.
    Ankara Univ, Ankara, Turkey..
    Yilmazer, A. U.
    Ankara Univ, Ankara, Turkey..
    Yoon, C. S.
    Gyeongsang Natl Univ, Dept Phys Educ, Jinju, South Korea.;Gyeongsang Natl Univ, RINS, Jinju, South Korea..
    Zarubin, P.
    Joint Inst Nucl Res, Dubna, Russia..
    Zarubina, I.
    Joint Inst Nucl Res, Dubna, Russia..
    Zaytsev, Yu.
    ITEP NRC Kurchatov Inst, Moscow, Russia..
    The magnet of the scattering and neutrino detector for the SHiP experiment at CERN2020In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 15, no 1, article id P01027Article in journal (Refereed)
    Abstract [en]

    The Search for Hidden Particles (SHiP) experiment proposal at CERN demands a dedicated dipole magnet for its scattering and neutrino detector. This requires a very large volume to be uniformly magnetized at B > 1.2 T, with constraints regarding the inner instrumented volume as well as the external region, where no massive structures are allowed and only an extremely low stray field is admitted. In this paper we report the main technical challenges and the relevant design options providing a comprehensive design for the magnet of the SHiP Scattering and Neutrino Detector.

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  • 885.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    INFN, Sez Napoli, Naples, Italy;Univ Bari, Bari, Italy.
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    INFN, Sez Napoli, Naples, Italy.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    Kobe Univ, Kobe, Hyogo, Japan.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Joint Inst Nucl Res, Dubna, Russia.
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    Univ Warwick, Warwick, England.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Yandex Sch Data Anal, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Warwick, Warwick, England.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
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    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
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    St Petersburg Polytech Univ SPbPU, St Petersburg, Russia.
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    St Petersburg Polytech Univ SPbPU, St Petersburg, Russia.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia.
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    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Univ Hamburg, Hamburg, Germany.
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    Univ Hamburg, Hamburg, Germany.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
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    Sofia Univ, Fac Phys, Sofia, Bulgaria.
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    Leiden Univ, Leiden, Netherlands.
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    INFN, Sez Cagliari, Cagliari, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Leiden Univ, Leiden, Netherlands;Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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    Univ Paris Saclay, Univ Paris Sud, LAL, CNRS IN2P3, Orsay, France.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    INFN, Sez Bologna, Bologna, Italy.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    INFN, Sez Napoli, Naples, Italy.
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    INFN, Sez Cagliari, Cagliari, Italy.
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    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    UCL, London, England.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Univ Paris Diderot, Sorbonne Univ, LPNHE, CNRS IN2P3, F-75252 Paris, France.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia.
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    Sungkyunkwan Univ, Suwon, Gyeong Gi Do, South Korea.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cientif Tecnol Valparaiso, Valparaiso, Chile.
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    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Bonn, Phys Inst, Bonn, Germany.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    INFN, Sez Bologna, Bologna, Italy.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Laquila, Italy.
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    INFN, Sez Cagliari, Cagliari, Italy;Univ Cagliari, Cagliari, Italy.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Ist Nazl Fis Nucl, Sez Bari, Bari, Italy;Univ Bari, Bari, Italy.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Laquila, Italy.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cientif Tecnol Valparaiso, Valparaiso, Chile.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Ist Nazl Fis Nucl, Sez Bari, Bari, Italy;Univ Bari, Bari, Italy.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Joint Inst Nucl Res, Dubna, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Inst Theoret & Expt Phys, Kurchatov Inst, NRC, Moscow, Russia.
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    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
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    Inst High Energy Phys, Kurchatov Inst, NRC, Protvino, Russia.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Univ Geneva, Geneva, Switzerland.
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    Univ Hamburg, Hamburg, Germany.
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    Joint Inst Nucl Res, Dubna, Russia.
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    INFN, Sez Bologna, Bologna, Italy.
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    INFN, Sez Bologna, Bologna, Italy;Univ Bologna, Bologna, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Petersburg Nucl Phys Inst, Kurchatov Inst, NRC, Gatchina, Russia.
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    Imperial Coll London, London, England.
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    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Ist Nazl Fis Nucl, Sez Bari, Bari, Italy.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    INFN, Sez Napoli, Naples, Italy;Univ Basilicata, Potenza, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Inst Theoret & Expt Phys, Kurchatov Inst, NRC, Moscow, Russia.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia;Imperial Coll London, London, England.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Joint Inst Nucl Res, Dubna, Russia.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia.
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    Petersburg Nucl Phys Inst, Kurchatov Inst, NRC, Gatchina, Russia.
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    Middle East Tech Univ, Ankara, Turkey.
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    Inst High Energy Phys, Kurchatov Inst, NRC, Protvino, Russia.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    Univ Hamburg, Hamburg, Germany.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cientif Tecnol Valparaiso, Valparaiso, Chile.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Imperial Coll London, London, England.
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    Yandex Sch Data Anal, Moscow, Russia.
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    Ist Nazl Fis Nucl, Sez Bari, Bari, Italy;Univ Bari, Bari, Italy.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
    Ivantchenko, V
    PN Lebedev Phys Inst, LPI, Moscow, Russia.
    Jacobsson, R.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Jokovic, D.
    Univ Belgrade, Inst Phys, Belgrade, Serbia.
    Jonker, M.
    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
    Kain, V
    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Ankara Univ, Ankara, Turkey.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    Inst High Energy Phys, Kurchatov Inst, NRC, Protvino, Russia.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
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    Gwangju Natl Univ Educ, Gwangju, South Korea.
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    Petersburg Nucl Phys Inst, Kurchatov Inst, NRC, Gatchina, Russia;St Petersburg Polytech Univ SPbPU, St Petersburg, Russia.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
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    Aichi Univ Educ, Kariya, Aichi, Japan.
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    Joint Inst Nucl Res, Dubna, Russia.
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    Inst High Energy Phys, Kurchatov Inst, NRC, Protvino, Russia.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia.
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    Toho Univ, Chiba, Japan.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia;Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Humboldt Univ, Berlin, Germany.
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    Inst Theoret & Expt Phys, Kurchatov Inst, NRC, Moscow, Russia.
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    Univ Geneva, Geneva, Switzerland.
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    Univ Bonn, Phys Inst, Bonn, Germany.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cientif Tecnol Valparaiso, Valparaiso, Chile.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia;Natl Res Nucl Univ MEPhI, Moscow, Russia;Moscow Inst Phys & Technol, Dolgoprudnyi, Moscow Region, Russia.
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    Yandex Sch Data Anal, Moscow, Russia.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Petersburg Nucl Phys Inst, Kurchatov Inst, NRC, Gatchina, Russia.
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    Humboldt Univ, Berlin, Germany.
    Lamont, M.
    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
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    Imperial Coll London, London, England.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Korea Univ, Seoul, South Korea.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
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    Univ Paris Diderot, Sorbonne Univ, LPNHE, CNRS IN2P3, F-75252 Paris, France.
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    INFN, Sez Napoli, Naples, Italy;Consorzio CREATE, Naples, Italy.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cientif Tecnol Valparaiso, Valparaiso, Chile.
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    Univ Paris Saclay, Univ Paris Sud, LAL, CNRS IN2P3, Orsay, France.
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    Imperial Coll London, London, England.
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    Petersburg Nucl Phys Inst, Kurchatov Inst, NRC, Gatchina, Russia.
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    Natl Res Ctr, Kurchatov Inst, Moscow, Russia.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Univ Geneva, Geneva, Switzerland.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Nihon Univ, Coll Ind Technol, Narashino, Chiba, Japan.
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    Inst High Energy Phys, Kurchatov Inst, NRC, Protvino, Russia.
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    Stockholm Univ, Stockholm, Sweden.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    INFN, Sez Bologna, Bologna, Italy.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    Nagoya Univ, Nagoya, Aichi, Japan.
    Movchan, S.
    Joint Inst Nucl Res, Dubna, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
    Naganawa, N.
    Nagoya Univ, Nagoya, Aichi, Japan.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Petersburg Nucl Phys Inst, Kurchatov Inst, NRC, Gatchina, Russia.
    Ninin, P.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Nishio, A.
    Nagoya Univ, Nagoya, Aichi, Japan.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Natl Res Ctr, Kurchatov Inst, Moscow, Russia.
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    Toho Univ, Chiba, Japan.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia;Natl Univ Sci & Technol MISiS, Moscow, Russia.
    Opitz, B.
    Univ Hamburg, Hamburg, Germany.
    Osborne, J.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Ovchynnikov, M.
    Leiden Univ, Leiden, Netherlands;Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
    Owtscharenko, N.
    Univ Bonn, Phys Inst, Bonn, Germany.
    Owen, P. H.
    Univ Zurich, Phys Inst, Zurich, Switzerland.
    Pacholek, P.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Paoloni, A.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
    Paparella, R.
    Ist Nazl Fis Nucl, Sez Bari, Bari, Italy.
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    Gyeongsang Natl Univ, Phys Educ Dept, Jinju, South Korea;Gyeongsang Natl Univ, RINS, Jinju, South Korea.
    Park, S. K.
    Korea Univ, Seoul, South Korea.
    Pastore, A.
    INFN, Sez Bologna, Bologna, Italy.
    Patel, M.
    Imperial Coll London, London, England.
    Pereyma, D.
    Inst Theoret & Expt Phys, Kurchatov Inst, NRC, Moscow, Russia.
    Perillo-Marcone, A.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Petkov, G. L.
    Sofia Univ, Fac Phys, Sofia, Bulgaria.
    Petridis, K.
    Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England.
    Petrov, A.
    Natl Res Ctr, Kurchatov Inst, Moscow, Russia.
    Podgrudkov, D.
    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
    Poliakov, V
    Inst High Energy Phys, Kurchatov Inst, NRC, Protvino, Russia.
    Polukhina, N.
    PN Lebedev Phys Inst, LPI, Moscow, Russia;Natl Univ Sci & Technol MISiS, Moscow, Russia;Natl Res Nucl Univ MEPhI, Moscow, Russia.
    Prieto, J. Prieto
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Prokudin, M.
    Inst Theoret & Expt Phys, Kurchatov Inst, NRC, Moscow, Russia.
    Prota, A.
    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
    Quercia, A.
    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
    Rademakers, A.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Rakai, A.
    CERN, European Org Nucl Res, Geneva, Switzerland.
    Ratnikov, F.
    Yandex Sch Data Anal, Moscow, Russia.
    Rawlings, T.
    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
    Redi, F.
    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
    Ricciardi, S.
    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
    Rodin, Viktor
    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
    Robbe, P.
    Univ Paris Saclay, Univ Paris Sud, LAL, CNRS IN2P3, Orsay, France.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    INFN, Sez Napoli, Naples, Italy;Univ Napoli Federico II, Naples, Italy.
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    INFN, Sez Bologna, Bologna, Italy;Univ Bologna, Bologna, Italy.
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    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Inst High Energy Phys, Kurchatov Inst, NRC, Protvino, Russia.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Ist Nazl Fis Nucl, Lab Nazl Frascati, Frascati, Italy.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Univ Hamburg, Hamburg, Germany.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    Inst Theoret & Expt Phys, Kurchatov Inst, NRC, Moscow, Russia.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia;Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Toho Univ, Chiba, Japan.
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    Imperial Coll London, London, England.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Univ Zurich, Phys Inst, Zurich, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    INFN, Sez Napoli, Naples, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Humboldt Univ, Berlin, Germany.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    INFN, Sez Bologna, Bologna, Italy;Univ Bologna, Bologna, Italy.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    INFN, Sez Napoli, Naples, Italy;Univ Sannio, Benevento, Italy.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    PN Lebedev Phys Inst, LPI, Moscow, Russia.
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    Forschungszentumr Julich GmbH KFA, Julich, Germany.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    CERN, European Org Nucl Res, Geneva, Switzerland.
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    Jeju Natl Univ, Jeju, South Korea.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark.
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    Ankara Univ, Ankara, Turkey.
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    Ankara Univ, Ankara, Turkey.
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    Joint Inst Nucl Res, Dubna, Russia.
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    Joint Inst Nucl Res, Dubna, Russia.
    Zaytsev, Yu
    Inst Theoret & Expt Phys, Kurchatov Inst, NRC, Moscow, Russia.
    The experimental facility for the Search for Hidden Particles at the CERN SPS2019In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 14, article id P03025Article in journal (Refereed)
    Abstract [en]

    The Search for Hidden Particles (SHiP) Collaboration has shown that the CERN SPS accelerator with its 400 GeV/c proton beam offers a unique opportunity to explore the Hidden Sector [1-3]. The proposed experiment is an intensity frontier experiment which is capable of searching for hidden particles through both visible decays and through scattering signatures from recoil of electrons or nuclei. The high-intensity experimental facility developed by the SHiP Collaboration is based on a number of key features and developments which provide the possibility of probing a large part of the parameter space for a wide range of models with light long-lived super-weakly interacting particles with masses up to O(10) GeV/c(2) in an environment of extremely clean background conditions. This paper describes the proposal for the experimental facility together with the most important feasibility studies. The paper focuses on the challenging new ideas behind the beam extraction and beam delivery, the proton beam dump, and the suppression of beam-induced background.

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    European Org Nucl Res CERN, Geneva, Switzerland.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Yandex Sch Data Anal, Moscow, Russia.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Univ Warwick, Warwick, England.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
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    INFN Frascati, Lab Nazl, Frascati, Italy.
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    St Petersburg Polytech Univ SPbPU, St Petersburg, Russia.
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    St Petersburg Polytech Univ SPbPU, St Petersburg, Russia.
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    PN Lebedev Phys Inst LPI, Moscow, Russia.
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    INFN Frascati, Lab Nazl, Frascati, Italy.
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    Univ Zurich, Inst Phys, Zurich, Switzerland.
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    Univ Zurich, Inst Phys, Zurich, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Univ Hamburg, Hamburg, Germany.
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    Univ Hamburg, Hamburg, Germany.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    STFC Rutherford Appleton Lab, Didcot, Oxon, England.
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    Sofia Univ, Fac Phys, Sofia, Bulgaria.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine;Leiden Univ, Leiden, Netherlands.
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    Sez INFN Cagliari, Cagliari, Italy.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine;Leiden Univ, Leiden, Netherlands.
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    Univ Paris Saclay, Univ Paris Sud, LAL, CNRS,IN2P3, Orsay, France.
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    INFN Frascati, Lab Nazl, Frascati, Italy.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    UCL, London, England.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany;Johannes Gutenberg Univ Mainz, PRISMA Cluster Excellence, Mainz, Germany.
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    Univ Paris Diderot, Sorbonne Univ, LPNHE, IN2P3,CNRS, F-75252 Paris, France.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile.
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    INFN Frascati, Lab Nazl, Frascati, Italy.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Univ Bonn, Inst Phys, Bonn, Germany.
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    Sez INFN Bologna, Bologna, Italy.
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    Univ Zurich, Inst Phys, Zurich, Switzerland.
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    Univ Hamburg, Hamburg, Germany.
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    Univ Cagliari, Cagliari, Italy;Sez INFN Cagliari, Cagliari, Italy;Jeju Natl Univ, Jeju, South Korea.
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    Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
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    Natl Univ Sci & Technol MISiS, Moscow, Russia.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    Univ Napoli Federico II, Naples, Italy;Sez INFN Napoli, Naples, Italy.
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    Univ Napoli Federico II, Naples, Italy;Sez INFN Napoli, Naples, Italy.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Univ Bari, Bari, Italy;Sez INFN Bari, Bari, Italy.
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    Univ Tecn Federico Santa Maria, Valparaiso, Chile;Ctr Cient Tecnol Valparaiso, Valparaiso, Chile.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Univ Bari, Bari, Italy;Sez INFN Bari, Bari, Italy.
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    INFN Gran Sasso, Lab Nazl, Laquila, Italy.
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    INFN Frascati, Lab Nazl, Frascati, Italy.
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    Inst High Energy Phys IHEP NRC Kurchatov Inst, Protvino, Russia.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Univ Geneva, Geneva, Switzerland.
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    Univ Hamburg, Hamburg, Germany.
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    Joint Inst Nucl Res, Dubna, Russia.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Petersburg Nucl Phys PNPI NRC Kurchatov Inst, Gatchina, Russia.
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    Imperial Coll London, London, England.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    INFN Frascati, Lab Nazl, Frascati, Italy.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    Lab Instrumentat & Expt Particle Phys, LIP, Lisbon, Portugal.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Univ Basilicata, Potenza, Italy;Sez INFN Napoli, Naples, Italy.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Nagoya Univ, Nagoya, Aichi, Japan.
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    Univ Napoli Federico II, Naples, Italy;Sez INFN Napoli, Naples, Italy.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Univ Napoli Federico II, Naples, Italy;Sez INFN Napoli, Naples, Italy.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Inst Theoret & Expt Phys ITEP NRC Kurchatov Inst, Moscow, Russia.
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    Imperial Coll London, London, England.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    PN Lebedev Phys Inst LPI, Moscow, Russia.
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    Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
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    Taras Shevchenko Natl Univ Kyiv, Kiev, Ukraine.
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    Joint Inst Nucl Res, Dubna, Russia.
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    Natl Res Nucl Univ MEPhI, Moscow, Russia.
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    Ecole Polytech Fed Lausanne, Lausanne, Switzerland.
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    PN Lebedev Phys Inst LPI, Moscow, Russia.
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    Univ Zurich, Inst Phys, Zurich, Switzerland.
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    European Org Nucl Res CERN, Geneva, Switzerland.
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    PN Lebedev Phys Inst LPI,