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  • 1. Aartsen, M. G.
    et al.
    Abbasi, R.
    Abdou, Y.
    Ackermann, M.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Altmann, D.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Baum, V.
    Bay, R.
    Beatty, J. J.
    Bechet, S.
    Tjus, J. Becker
    Becker, K. -H
    Benabderrahmane, M. L.
    BenZvi, S.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bernhard, A.
    Besson, D. Z.
    Binder, G.
    Bindig, D.
    Bissok, M.
    Blaufuss, E.
    Blumenthal, J.
    Boersma, David J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Bohaichuk, S.
    Bohm, C.
    Bose, D.
    Boeser, S.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brayeur, L.
    Bretz, H. -P
    Brown, A. M.
    Bruijn, R.
    Brunner, J.
    Carson, M.
    Casey, J.
    Casier, M.
    Chirkin, D.
    Christov, A.
    Christy, B.
    Clark, K.
    Clevermann, F.
    Coenders, S.
    Cohen, S.
    Cowen, D. F.
    Silva, A. H. Cruz
    Danninger, M.
    Daughhetee, J.
    Davis, J. C.
    Day, M.
    De Clercq, C.
    De Ridder, S.
    Desiati, P.
    de Vries, K. D.
    de With, M.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dunkman, M.
    Eagan, R.
    Eberhardt, B.
    Eisch, J.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Fedynitch, A.
    Feintzeig, J.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Fischer-Wasels, T.
    Flis, S.
    Franckowiak, A.
    Frantzen, K.
    Fuchs, T.
    Gaisser, T. K.
    Gallagher, J.
    Gerhardt, L.
    Gladstone, L.
    Gluesenkamp, T.
    Goldschmidt, A.
    Golup, G.
    Gonzalez, J. G.
    Goodman, J. A.
    Gora, D.
    Grandmont, D. T.
    Grant, D.
    Gross, A.
    Ha, C.
    Ismail, A. Haj
    Hallen, P.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Halzen, F.
    Hanson, K.
    Heereman, D.
    Heinen, D.
    Helbing, K.
    Hellauer, R.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoffmann, R.
    Homeier, A.
    Hoshina, K.
    Huelsnitz, W.
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Ishihara, A.
    Jacobi, E.
    Jacobsen, J.
    Jagielski, K.
    Japaridze, G. S.
    Jero, K.
    Jlelati, O.
    Kaminsky, B.
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kiryluk, J.
    Klaes, J.
    Klein, S. R.
    Koehne, J. -H
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kopper, C.
    Kopper, S.
    Koskinen, D. J.
    Kowalski, M.
    Krasberg, M.
    Krings, K.
    Kroll, G.
    Kunnen, J.
    Kurahashi, N.
    Kuwabara, T.
    Labare, M.
    Landsman, H.
    Larson, M. J.
    Lesiak-Bzdak, M.
    Leuermann, M.
    Leute, J.
    Luenemann, J.
    Macias, O.
    Madsen, J.
    Maggi, G.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McNally, F.
    Meagher, K.
    Merck, M.
    Meures, T.
    Miarecki, S.
    Middell, E.
    Milke, N.
    Miller, J.
    Mohrmann, L.
    Montaruli, T.
    Morse, R.
    Nahnhauer, R.
    Naumann, U.
    Niederhausen, H.
    Nowicki, S. C.
    Nygren, D. R.
    Obertacke, A.
    Odrowski, S.
    Olivas, A.
    Omairat, A.
    O'Murchadha, A.
    Paul, L.
    Pepper, J. A.
    de los Heros, Carlos Perez
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Pfendner, C.
    Pieloth, D.
    Pinat, E.
    Posselt, J.
    Price, P. B.
    Przybylski, G. T.
    Raedel, L.
    Rameez, M.
    Rawlins, K.
    Redl, P.
    Reimann, R.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Richman, M.
    Riedel, B.
    Rodrigues, J. P.
    Rott, C.
    Ruhe, T.
    Ruzybayev, B.
    Ryckbosch, D.
    Saba, S. M.
    Salameh, T.
    Sander, H. -G
    Santander, M.
    Sarkar, S.
    Schatto, K.
    Scheriau, F.
    Schmidt, T.
    Schmitz, M.
    Schoenen, S.
    Schoeneberg, S.
    Schoenwald, A.
    Schukraft, A.
    Schulte, L.
    Schulz, O.
    Seckel, D.
    Sestayo, Y.
    Seunarine, S.
    Shanidze, R.
    Sheremata, C.
    Smith, M. W. E.
    Soldin, D.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stasik, A.
    Stezelberger, T.
    Stokstad, R. G.
    Stoessl, A.
    Strahler, E. A.
    Ström, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Sullivan, G. W.
    Taavola, Henric
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Taboada, I.
    Tamburro, A.
    Tepe, A.
    Ter-Antonyan, S.
    Tesic, G.
    Tilav, S.
    Toale, P. A.
    Toscano, S.
    Unger, E.
    Usner, M.
    Vallecorsa, S.
    van Eijndhoven, N.
    Van Overloop, A.
    van Santen, J.
    Vehring, M.
    Voge, M.
    Vraeghe, M.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Weaver, Ch.
    Wellons, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Williams, D. R.
    Wissing, H.
    Wolf, M.
    Wood, T. R.
    Woschnagg, K.
    Xu, D. L.
    Xu, X. W.
    Yanez, J. P.
    Yodh, G.
    Yoshida, S.
    Zarzhitsky, P.
    Ziemann, J.
    Zierke, S.
    Zoll, M.
    Recht, B.
    Re, C.
    Improvement in fast particle track reconstruction with robust statistics2014In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 736, p. 143-149Article in journal (Refereed)
    Abstract [en]

    The IceCube project has transformed 1 km(3) of deep natural Antarctic ice into a Cherenkov detector Muon neutrinos are detected and their direction is inferred by mapping the light produced by the secondary muon track inside the volume instrumented with photomultipliers. Reconstructing the muon track from the observed light is challenging due to noise, light scattering in the ice medium, and the possibility of simultaneously having multiple muons inside the detector, resulting from the large flux of cosmic ray muons. This paper describes work on two problems: (1) the truck reconstruction problem, in which, given a set of observations, the goal is to recover the track of a muon; and (2) the coincident event problem, which is to determine how many muons are active in the detector during a time window. Rather than solving these problems by developing more complex physical models that are applied at later stages of the analysis, our approach is to augment the detector's early reconstruction with data filters and robust statistical techniques. These can be implemented at the level of on-line reconstruction and, therefore, improve all subsequent reconstructions. Using the metric of median angular resolution, a standard metric for track reconstruction, we improve the accuracy in the initial reconstruction direction by 13%. We also present improvements in measuring the number of muons in coincident events: we can accurately determine the number of muons 98% of the time.

  • 2. Aartsen, M. G.
    et al.
    Abbasi, R.
    Abdou, Y.
    Ackermann, M.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Altmann, D.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Baum, V.
    Bay, R.
    Beatty, J. J.
    Bechet, S.
    Tjus, J. Becker
    Becker, K-H
    Bell, M.
    Benabderrahmane, M. L.
    BenZvi, S.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bernhard, A.
    Bertrand, D.
    Besson, D. Z.
    Binder, G.
    Bindig, D.
    Bissok, M.
    Blaufuss, E.
    Blumenthal, J.
    Boersma, David J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Bohaichuk, S.
    Bohm, C.
    Bose, D.
    Boeser, S.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brayeur, L.
    Brown, A. M.
    Bruijn, R.
    Brunner, J.
    Buitink, S.
    Carson, M.
    Casey, J.
    Casier, M.
    Chirkin, D.
    Christy, B.
    Clark, K.
    Clevermann, F.
    Cohen, S.
    Cowen, D. F.
    Silva, A. H. Cruz
    Danninger, M.
    Daughhetee, J.
    Davis, J. C.
    De Clercq, C.
    De Ridder, S.
    Desiati, P.
    de With, M.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dunkman, M.
    Eagan, R.
    Eberhardt, B.
    Eisch, J.
    Ellsworth, R. W.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Fedynitch, A.
    Feintzeig, J.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Fischer-Wasels, T.
    Flis, S.
    Franckowiak, A.
    Franke, R.
    Frantzen, K.
    Fuchs, T.
    Gaisser, T. K.
    Gallagher, J.
    Gerhardt, L.
    Gladstone, L.
    Gluesenkamp, T.
    Goldschmidt, A.
    Golup, G.
    Goodman, J. A.
    Gora, D.
    Grant, D.
    Gross, A.
    Gurtner, M.
    Ha, C.
    Ismail, A. Haj
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Halzen, F.
    Hanson, K.
    Heereman, D.
    Heimann, P.
    Heinen, D.
    Helbing, K.
    Hellauer, R.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoffmann, R.
    Homeier, A.
    Hoshina, K.
    Huelsnitz, W.
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Ishihara, A.
    Jacobi, E.
    Jacobsen, J.
    Japaridze, G. S.
    Jero, K.
    Jlelati, O.
    Kaminsky, B.
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kiryluk, J.
    Kislat, F.
    Klaes, J.
    Klein, S. R.
    Koehne, J-H
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kopper, C.
    Kopper, S.
    Koskinen, D. J.
    Kowalski, M.
    Krasberg, M.
    Kroll, G.
    Kunnen, J.
    Kurahashi, N.
    Kuwabara, T.
    Labare, M.
    Landsman, H.
    Larson, M. J.
    Lesiak-Bzdak, M.
    Leute, J.
    Luenemann, J.
    Madsen, J.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McNally, F.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Miarecki, S.
    Middell, E.
    Milke, N.
    Miller, J.
    Mohrmann, L.
    Montaruli, T.
    Morse, R.
    Nahnhauer, R.
    Naumann, U.
    Niederhausen, H.
    Nowicki, S. C.
    Nygren, D. R.
    Obertacke, A.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    O'Murchadha, A.
    Paul, L.
    Pepper, J. A.
    de los Heros, Carlos Perez
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Pfendner, C.
    Pieloth, D.
    Pirk, N.
    Posselt, J.
    Price, P. B.
    Przybylski, G. T.
    Raedel, L.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Richman, M.
    Riedel, B.
    Rodrigues, J. P.
    Rott, C.
    Ruhe, T.
    Ruzybayev, B.
    Ryckbosch, D.
    Saba, S. M.
    Salameh, T.
    Sander, H-G
    Santander, M.
    Sarkar, S.
    Schatto, K.
    Scheel, M.
    Scheriau, F.
    Schmidt, T.
    Schmitz, M.
    Schoenen, S.
    Schoeneberg, S.
    Schoenherr, L.
    Schoenwald, A.
    Schukraft, A.
    Schulte, L.
    Schulz, O.
    Seckel, D.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Sheremata, C.
    Smith, M. W. E.
    Soiron, M.
    Soldin, D.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stasik, A.
    Stezelberger, T.
    Stokstad, R. G.
    Stoessl, A.
    Strahler, E. A.
    Ström, Rickard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Sullivan, G. W.
    Taavola, Henric
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Taboada, I.
    Tamburro, A.
    Ter-Antonyan, S.
    Tilav, S.
    Toale, P. A.
    Toscano, S.
    Usner, M.
    van der Drift, D.
    van Eijndhoven, N.
    Van Overloop, A.
    van Santen, J.
    Vehring, M.
    Voge, M.
    Vraeghe, M.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Wasserman, R.
    Weaver, Ch.
    Wellons, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Williams, D. R.
    Wissing, H.
    Wolf, M.
    Wood, T. R.
    Xu, C.
    Xu, D. L.
    Xu, X. W.
    Yanez, J. P.
    Yodh, G.
    Yoshida, S.
    Zarzhitsky, P.
    Ziemann, J.
    Zierke, S.
    Zilles, A.
    Zoll, M.
    Measurement of South Pole ice transparency with the IceCube LED calibration system2013In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 711, p. 73-89Article in journal (Refereed)
    Abstract [en]

    The IceCube Neutrino Observatory, approximately 1 km(3) in size, is now complete with 86 strings deployed in the Antarctic ice. IceCube detects the Cherenkov radiation emitted by charged particles passing through or created in the ice. To realize the full potential of the detector, the properties of light propagation in the ice in and around the detector must be well understood. This report presents a new method of fitting the model of light propagation in the ice to a data set of in situ light source events collected with IceCube. The resulting set of derived parameters, namely the measured values of scattering and absorption coefficients vs. depth, is presented and a comparison of IceCube data with simulations based on the new model is shown.

  • 3. Abazov, M
    et al.
    Abbott, B
    Abolins, M
    Acharya, S
    Adams, M
    Adams, T
    Aguilo, E
    Ahsan, M
    Alexeev, D
    Alkhazov, G
    Alton, A
    Alverson, G
    Alves, A
    Ancu, S
    Andeen, T
    Anzelc, S
    Aoki, M
    Arnoud, Y
    Arov, M
    Arthaud, M
    Askew, A
    Åsman, B
    Uppsala University.
    Atramentov, O
    Avila, C
    BackusMayes, J
    Badaud, F
    Bagby, L
    Baldin, B
    Bandurin, V
    Banerjee, S
    Barberis, E
    Barfuss, A.-F.
    Bargassa, P
    Baringer, R
    Barreto, J
    Bartlett, F
    Bassler, U
    Bauer, D
    Beale, S
    Bean, A
    Begalli, M
    Begel, M
    Belanger-Champagne, C
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Bellantoni, L
    Bellavance, A
    Benitez, A
    Beri, B
    Bernardi, G
    Bernhard, R
    Bertram, I
    Besancon, M
    Beuselinck, R
    Bezzubov, A
    Bhat, C
    Bhatnagar, V
    Blazey, G
    Blessing, S
    Bloom, K
    Boehnlein, A
    Boline, D
    Bolton, A
    Boos, E
    Borissov, G
    Bose, T
    Brandt, A
    Brock, R
    Brooijmans, G
    Bross, A
    Brown, D
    Bu, B
    Buchholz, D
    Buehler, M
    Buescher, V
    Bunichev, V
    Burdin, S
    Burnett, H
    Buszello, P
    Calfayan, R
    Calpas, B
    Calvet, S
    Cammin, J
    Carrasco-Lizarraga, A
    Carrera, E
    Carvalho, W
    Casey, K
    Castilla-Valdez, H
    Chakrabarti, S
    Chakraborty, D
    Chan, M
    Chandra, A
    Cheu, E
    Cho, K
    Cho, W
    Choi, S
    Choudhary, B
    Christoudias, T
    Cihangir, S
    Claes, D
    Clutter, J
    Cooke, M
    Cooper, E
    Corcoran, M
    Couderc, F
    Cousinou, M.-C.
    Cutts, D
    Cwiok, M
    Das, A
    Davies, G
    De, K
    de Jong, J
    De La Cruz-Burelo, E
    DeVaughan, K
    Deliot, F
    Demarteau, M
    Demina, R
    Denisov, D
    Denisov, P
    Desai, S
    Diehl, T
    Diesburg, M
    Dominguez, A
    Dorland, T
    Dubey, A
    Dudko, V
    Duflot, L
    Duggan, D
    Duperrin, A
    Dutt, S
    Dyshkant, A
    Eads, M
    Edmunds, D
    Ellison, J
    Elvira, D
    Enari, Y
    Eno, S
    Escalier, M
    Evans, H
    Evdokimov, A
    Evdokimov, N
    Facini, G
    Ferapontov, V
    Ferbel, T
    Fiedler, F
    Filthaut, F
    Fisher, W
    Fisk, E
    Fortner, M
    Fox, H
    Fu, S
    Fuess, S
    Gadfort, T
    Galea, F
    Garcia-Bellido, A
    Gavrilov, V
    Gay, P
    Geist, W
    Geng, W
    Gerber, E
    Gershtein, Y
    Gillberg, D
    Ginther, G
    Gomez, B
    Goussiou, A
    Grannis, D
    Greder, S
    Greenlee, H
    Greenwood, D
    Gregores, M
    Grenier, G
    Gris, Ph
    Grivaz, J.-F.
    Grohsjean, A
    Gruenendahl, S
    Gruenewald, W
    Guo, F
    Guo, J
    Gutierrez, G
    Gutierrez, P
    Haas, A
    Haefner, R
    Hagopian, S
    Haley, J
    Hall, I
    Hall, E
    Han, L
    Harder, K
    Harel, A
    Hauptman, M
    Hays, J
    Hebbeker, T
    Hedin, D
    Hegeman, G
    Heinson, P
    Heintz, U
    Hensel, C
    Heredia-De la Cruz, I
    Herner, K
    Hesketh, G
    Hildreth, D
    Hirosky, R
    Hoang, T
    Hobbs, D
    Hoeneisen, B
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    A novel method for modeling the recoil in W boson events at hadron colliders2009In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 609, no 2-3, p. 250-262Article in journal (Refereed)
    Abstract [en]

    We present a new method for modeling the hadronic recoil in W -> lv events produced at hadron colliders. The recoil is chosen from a library of recoils in Z -> ll data events and overlaid on a simulated W -> lv event. Implementation of this method requires that the data recoil library describe the proper-ties of the measured recoil as a function of the true, rather than the measured, transverse momentum of the boson. We address this issue using a multidimensional Bayesian unfolding technique. We estimate the statistical and systematic uncertainties from this method for the W boson mass and width measurements assuming 1 fb(-1) of data from the Fermilab Tevatron. The uncertainties are found to be small and comparable to those of a more traditional parameterized recoil model. For the highprecision measurements that will be possible with data from Run 11 of the Fermilab Tevatron and from the CERN LHC, the method presented in this paper may be advantageous, since it does not require an understanding of the measured recoil from first principles.

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    Sanchez-Hernandez, A.
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    Satyanarayana, B.
    Savage, G.
    Sawyer, L.
    Scanlon, T.
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    Schamberger, R. D.
    Scheglov, Y.
    Schellman, H.
    Schieferdecker, P.
    Schmittz, C.
    Schwanenberger, C.
    Schukin, A. A.
    Schwartzman, A.
    Schwienhorst, R.
    Sengupta, S.
    Severini, H.
    Shabalina, E.
    Shamim, M.
    Shankar, H. C.
    Shary, V.
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    Snyder, S.
    Soldner-Rembold, S.
    Song, X.
    Song, Y.
    Sonnenschein, L.
    Sopczak, A.
    Sorin, V.
    Sosebee, M.
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    Steinberg, J.
    Steinbruck, G.
    Stevenson, K.
    Stolin, V.
    Stone, A.
    Stoyanova, D. A.
    Strandberg, J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics.
    Strang, M. A.
    Strauss, M.
    Stroehmery, R.
    Strom, D.
    Strovink, M.
    Stutte, L.
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    Vertogradov, L. S.
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    Vigneault, M.
    Villeneuve-Seguier, F.
    Vishwanath, P. R.
    Vlimant, J. -R
    Von Toerne, E.
    Vorobyov, A.
    Vreeswijk, M.
    Anh, T. Vu
    Vysotsky, V.
    Wahl, H. D.
    Walker, R.
    Wallace, N.
    Wang, L.
    Wang, Z. -M
    Warchol, J.
    Warsinsky, M.
    Watts, G.
    Wayne, M.
    Weber, M.
    Weerts, H.
    Wegner, M.
    Wermes, N.
    Wetstein, M.
    White, A.
    White, V.
    Whiteson, D.
    Wicke, D.
    Wijnen, T.
    Wijngaarden, D. A.
    Wilcer, N.
    Willutzki, H.
    Wilson, G. W.
    Wimpenny, S. J.
    Wittlin, J.
    Wlodek, T.
    Wobisch, M.
    Womersley, J.
    Wood, D. R.
    Wyatt, T. R.
    Wu, Z.
    Xie, Y.
    Xu, Q.
    Xuan, N.
    Yacoob, S.
    Yamada, R.
    Yan, M.
    Yarema, R.
    Yasuda, T.
    Yatsunenko, Y. A.
    Yen, Y.
    Yip, K.
    Yoo, H. D.
    Yoffe, F.
    Youn, S. W.
    Yu, J.
    Yurkewicz, A.
    Zabi, A.
    Zanabria, M.
    Zatserklyaniy, A.
    Zdrazil, M.
    Zeitnitz, C.
    Zhang, B.
    Zhang, D.
    Zhang, X.
    Zhao, T.
    Zhao, Z.
    Zheng, H.
    Zhou, B.
    Zhu, J.
    Zielinski, M.
    Zieminska, D.
    Zieminski, A.
    Zitoun, R.
    Zmuda, T.
    Zutshi, V.
    Zviagintsev, S.
    Zverev, E. G.
    Zylberstejn, A.
    The upgraded DO detector2006In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 565, no 2, p. 463-537Article in journal (Refereed)
    Abstract [en]

    The DO experiment enjoyed a very successful data-collection run at the Fermilab Tevatron collider between 1992 and 1996. Since then, the detector has been upgraded to take advantage of improvements to the Tevatron and to enhance its physics capabilities. We describe the new elements of the detector, including the silicon microstrip tracker, central fiber tracker, solenoidal magnet, preshower detectors, forward muon detector, and forward proton detector. The uranium/liquid -argon calorimeters and central muon detector, remaining from Run 1, are discussed briefly. We also present the associated electronics, triggering, and data acquisition systems, along with the design and implementation of software specific to DO.

  • 5. Abazov, V. M.
    et al.
    Abbott, B.
    Abolins, M.
    Acharya, B. S.
    Adams, M.
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    Alkhazov, G.
    Alton, A.
    Alverson, G.
    Alves, G. A.
    Anastasoaie, M.
    Ancu, L. S.
    Aoki, M.
    Arnoud, Y.
    Arov, M.
    Askew, A.
    Åsman, B.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Atramentov, O.
    Avila, C.
    BackusMayes, J.
    Badaud, F.
    Bagby, L.
    Baldin, B.
    Bandurin, D. V.
    Banerjee, S.
    Barberis, E.
    Barfuss, A. -F
    Baringer, P.
    Barreto, J.
    Bartlett, J. F.
    Bassler, U.
    Beale, S.
    Bean, A.
    Begalli, M.
    Begel, M.
    Belanger-Champagne, Camille
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Bellantoni, L.
    Benitez, J. A.
    Beri, S. B.
    Bernardi, G.
    Bernhard, R.
    Bertram, I.
    Besancon, M.
    Beuselinck, R.
    Bezzubov, V. A.
    Bhat, P. C.
    Bhatnagar, V.
    Blazey, G.
    Blessing, S.
    Bloch, D.
    Bloom, K.
    Boehnlein, A.
    Boline, D.
    Bolton, T. A.
    Boos, E. E.
    Borissov, G.
    Bose, T.
    Brandt, A.
    Brock, R.
    Brooijmans, G.
    Bross, A.
    Brown, D.
    Bu, X. B.
    Buchholz, D.
    Buehler, M.
    Buescher, V.
    Bunichev, V.
    Burdin, S.
    Burnet, T. H.
    Buszello, C. P.
    Calfayan, P.
    Calpas, B.
    Calvet, S.
    Camacho-Perez, E.
    Cammin, J.
    Carrasco-Lizarraga, M. A.
    Carrera, E.
    Casey, B. C. K.
    Castilla-Valdez, H.
    Chakrabarti, S.
    Chakraborty, D.
    Chan, K. M.
    Chandra, A.
    Chen, G.
    Chevalier-Thery, S.
    Cho, D. K.
    Cho, S. W.
    Choi, S.
    Choudhary, B.
    Christoudias, T.
    Cihangir, S.
    Claes, D.
    Clement, B.
    Clutter, J.
    Cooke, M.
    Cooper, W. E.
    Corcoran, M.
    Couderc, F.
    Cousinou, M. -C
    Cutts, D.
    Cwiok, M.
    Das, A.
    Davies, G.
    De, K.
    de Jong, S. J.
    De la Cruz-Burelo, E.
    DeVaughan, K.
    Deliot, F.
    Demarteau, M.
    Bu, R. Demina
    Denisov, D.
    Denisov, S. P.
    Desai, S.
    Diehl, H. T.
    Diesburg, M.
    Dominguez, A.
    Dorland, T.
    Dubey, A.
    Dudko, L. V.
    Duflot, L.
    Duggan, D.
    Duperrin, A.
    Dutt, S.
    Dyshkant, A.
    Eads, M.
    Edmunds, D.
    Ellison, J.
    Elvira, V. D.
    Enari, Y.
    Eno, S.
    Evans, H.
    Evdokimov, A.
    Evdokimov, V. N.
    Facini, G.
    Feligioni, L.
    Ferapontov, A. V.
    Ferbel, T.
    Fiedler, F.
    Filthaut, F.
    Fisher, W.
    Fisk, H. E.
    Fortner, M.
    Fox, H.
    Fuess, S.
    Gadfort, T.
    Garcia-Bellido, A.
    Gavrilov, V.
    Gay, P.
    Geist, W.
    Gele, D.
    Geng, W.
    Gerbaudo, D.
    Gerber, C. E.
    Gershtein, Y.
    Gillberg, D.
    Ginther, G.
    Golling, T.
    Golovanov, G.
    Gomez, B.
    Goussiou, A.
    Grannis, P. D.
    Greder, S.
    Greenlee, H.
    Greenwood, Z. D.
    Gregores, E. M.
    Grenier, G.
    Gris, Ph.
    Grivaz, J. -F
    Grohsjean, A.
    Gruenendahl, S.
    Gruenewald, M. W.
    Guo, F.
    Guo, J.
    Gutierrez, G.
    Gutierrez, P.
    Haas, A.
    Haefner, P.
    Hagopian, S.
    Haley, J.
    Hall, I.
    Han, L.
    Harder, K.
    Harel, A.
    Hauptman, J. M.
    Hays, J.
    Hebbeker, T.
    Hedin, D.
    Heinson, A. P.
    Heintz, U.
    Hensel, C.
    Heredia-De La Cruz, I.
    Herner, K.
    Hesketh, G.
    Hildreth, M. D.
    Hirosky, R.
    Hoang, T.
    Hobbs, J. D.
    Hoeneisen, B.
    Hohlfeld, M.
    Hossain, S.
    Houben, P.
    Hu, Y.
    Hubacek, Z.
    Huske, N.
    Hynek, V.
    Iashvili, I.
    Illingworth, R.
    Ito, A. S.
    Jabeen, S.
    Jaffre, M.
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    Jamin, D.
    Jesik, R.
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    Soeldner-Rembold, S.
    Sonnenschein, L.
    Sopczak, A.
    Sosebee, M.
    Soustruznik, K.
    Spurlock, B.
    Stark, J.
    Stolin, V.
    Stoyanova, D. A.
    Strandberg, J.
    Strang, M. A.
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    Tanasijczuk, A.
    Taylor, W.
    Tiller, B.
    Titov, M.
    Tokmenin, V. V.
    Tsybychev, D.
    Tuchming, B.
    Tully, C.
    Tuts, P. M.
    Unalan, R.
    Uvarov, L.
    Uvarov, S.
    Uzunyan, S.
    Van Kooten, R.
    van Leeuwen, W. M.
    Varelas, N.
    Varnes, E. W.
    Vasilyev, I. A.
    Verdier, P.
    Vertogradov, L. S.
    Verzocchi, M.
    Vesterinen, M.
    Vilanova, D.
    Vint, P.
    Vokac, P.
    Wahl, H. D.
    Wang, M. H. L. S.
    Warchol, J.
    Watts, G.
    Wayne, M.
    Weber, G.
    Weber, M.
    Wetstein, M.
    White, A.
    Wicke, D.
    Williams, M. R. J.
    Wilson, G. W.
    Wimpenny, S. J.
    Wobisch, M.
    Wood, D. R.
    Wyatt, T. R.
    Xie, Y.
    Xu, C.
    Yacoob, S.
    Yamada, R.
    Yang, W. -C
    Yasuda, T.
    Yatsunenko, Y. A.
    Ye, Z.
    Yin, H.
    Yip, K.
    Yoo, H. D.
    Youn, S. W.
    Yu, J.
    Zelitch, S.
    Zhao, T.
    Zhou, B.
    Zhu, J.
    Zielinski, M.
    Zieminska, D.
    Zivkovic, L.
    b-Jet identification in the D0 experiment2010In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 620, no 2-3, p. 490-517Article in journal (Refereed)
    Abstract [en]

    Algorithms distinguishing jets originating from b quarks from other jet flavors are important tools in the physics program of the D0 experiment at the Fermilab Tevatron p (p) over bar collider. This article describes the methods that have been used to identify b-quark jets, exploiting in particular the long lifetimes of b-flavored hadrons, and the calibration of the performance of these algorithms based on collider data.

  • 6. Abazov, V. M.
    et al.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Agnew, J. P.
    Alexeev, G. D.
    Alkhazov, G.
    Alton, A.
    Arthaud, M.
    Askew, A.
    Atkins, S.
    Augsten, K.
    Avila, C.
    Badaud, F.
    Bagby, L.
    Baldin, B.
    Bandurin, D. V.
    Banerjee, S.
    Barberis, E.
    Baringer, P.
    Bartlett, J. F.
    Bassler, U.
    Bazterra, V.
    Bean, A.
    Begalli, M.
    Bellantoni, L.
    Seri, S. B.
    Bernardi, G.
    Bernhard, R.
    Bertram, I.
    Besancon, M.
    Beuselinck, R.
    Bhat, P. C.
    Bhatia, S.
    Bhatnagar, V.
    Blazey, G.
    Blessing, S.
    Bloom, K.
    Boehnlein, A.
    Boline, D.
    Boos, E. E.
    Borissov, G.
    Brandt, A.
    Brandt, O.
    Brock, R.
    Bross, A.
    Brown, D.
    Bu, X. B.
    Buehler, M.
    Buescher, V.
    Bunichev, V.
    Burdin, S.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Calfayan, P.
    Camacho-Perez, E.
    Casey, B. C. K.
    Castilla-Valdez, H.
    Caughron, S.
    Chakrabarti, S.
    Chan, K. M.
    Chandra, A.
    Chapon, E.
    Chen, G.
    Chevalier-Thery, S.
    Cho, S. W.
    Choi, S.
    Choudhary, B.
    Cihangir, S.
    Claes, D.
    Clement, C.
    Clutter, J.
    Cooke, M.
    Cooper, W. E.
    Corcoran, M.
    Couderc, F.
    Cousinou, M. -C
    Croc, A.
    Cutts, D.
    Das, A.
    Davies, G.
    de Jong, S. J.
    De La Cruz-Burelo, E.
    Deliot, F.
    Demina, R.
    Denisov, D.
    Denisov, S. P.
    Desai, S.
    Deterre, C.
    De Vaughan, K.
    Diehl, H. T.
    Diesburg, M.
    Ding, P. F.
    Dominguez, A.
    Dubey, A.
    Dudko, L. V.
    Duperrin, A.
    Dutt, S.
    Eads, M.
    Edmunds, D.
    Ellison, J.
    Elvira, V. D.
    Enari, Y.
    Evans, H.
    Evdokimov, V. N.
    Feng, L.
    Ferbel, T.
    Fiedler, F.
    Filthaut, F.
    Fisher, W.
    Fisk, H. E.
    Fortner, M.
    Fox, H.
    Fuess, S.
    Gadfort, T.
    Garcia-Bellido, A.
    Garcia-Gonzalez, J. A.
    Gavrilov, V.
    Geng, W.
    Gerber, C. E.
    Gershtein, Y.
    Ginther, G.
    Golovanov, G.
    Grannis, P. D.
    Greder, S.
    Greenlee, H.
    Grenier, G.
    Gris, Ph
    Grivaz, J. -F
    Grohsjean, A.
    Gruenendahl, S.
    Gruenewald, M. W.
    Guillemin, T.
    Gutierrez, G.
    Gutierrez, P.
    Haley, J.
    Han, L.
    Harder, K.
    Harel, A.
    Hauptman, J. M.
    Hays, J.
    Head, T.
    Hebbeker, T.
    Hedin, D.
    Hegab, H.
    Heinson, A. P.
    Heintz, U.
    Hensel, C.
    Heredia-De La Cruz, I.
    Herner, K.
    Hesketh, G.
    Hildreth, M. D.
    Hirosky, R.
    Hoang, T.
    Hobbs, J. D.
    Hoeneisen, B.
    Hogan, J.
    Hohlfeld, M.
    Holzbauer, J. L.
    Howley, I.
    Hubacek, Z.
    Hynek, V.
    Iashvili, I.
    Ilchenko, Y.
    Illingworth, R.
    Ito, A. S.
    Jabeen, S.
    Jaffre, M.
    Jayasinghe, A.
    Jeong, M. S.
    Jesik, R.
    Jiang, P.
    Johns, K.
    Johnson, E.
    Johnson, M.
    Jonckheere, A.
    Jonsson, P.
    Joshi, J.
    Jung, A. W.
    Juste, A.
    Kajfasz, E.
    Karmanov, D.
    Katsanos, I.
    Kehoe, R.
    Kermiche, S.
    Khalatyan, N.
    Khanov, A.
    Kharchilava, A.
    Kharzheev, Y. N.
    Kiselevich, I.
    Kohli, J. M.
    Kozelov, A. V.
    Kraus, J.
    Kumar, A.
    Kupco, A.
    Kurca, T.
    Kuzmin, V. A.
    Lammers, S.
    Lebrun, P.
    Lee, H. S.
    Lee, S. W.
    Lee, W. M.
    Lei, X.
    Lellouch, J.
    Lesne, V.
    Li, D.
    Li, H.
    Li, L.
    Li, Q. Z.
    Lim, J. K.
    Lincoln, D.
    Linnemann, J.
    Lipaev, V. V.
    Lipton, R.
    Liu, H.
    Liu, Y.
    Lobodenko, A.
    Lokajicek, M.
    de Sa, R. Lopes
    Luna-Garcia, R.
    Luo, C.
    Lyon, A. L.
    Maciel, A. K. A.
    Madar, R.
    Magana-Villalba, R.
    Malik, S.
    Malyshev, V. L.
    Mansour, J.
    Martinez-Ortega, J.
    McCarthy, R.
    McGivern, C. L.
    Meijer, M. M.
    Melnitchouk, A.
    Menezes, D.
    Mercadante, P. G.
    Merkin, M.
    Meyer, A.
    Meyer, J.
    Miconi, F.
    Mondal, N. K.
    Mulders, M.
    Mulhearn, M.
    Nagy, E.
    Narain, M.
    Nayyar, R.
    Neal, H. A.
    Negret, J. P.
    Neustroev, P.
    Nguyen, H. T.
    Nunnemann, T.
    Nurse, E.
    Orduna, J.
    Osman, N.
    Osta, J.
    Owen, M.
    Pal, A.
    Parashar, N.
    Parihar, V.
    Park, S. K.
    Partridge, R.
    Parua, N.
    Patwa, A.
    Penning, B.
    Perfilov, M.
    Peters, Y.
    Petridis, K.
    Petrillo, G.
    Petroff, P.
    Pleier, M. -A
    Podstavkov, V. M.
    Popov, A. V.
    Prewitt, M.
    Price, D.
    Prokopenko, N.
    Qian, J.
    Quadt, A.
    Quinn, B.
    Ratoff, P. N.
    Razumov, I.
    Ripp-Baudot, I.
    Rizatdinova, F.
    Rominsky, M.
    Ross, A.
    Royon, C.
    Rubinov, P.
    Ruchti, R.
    Sajot, G.
    Sanchez-Hernandez, A.
    Sanders, M. P.
    Santos, A. S.
    Savage, G.
    Sawyer, L.
    Scanlon, T.
    Schamberger, R. D.
    Scheglov, Y.
    Schellman, H.
    Schwanenberger, C.
    Schwienhorst, R.
    Sekaric, J.
    Severini, H.
    Shabalina, E.
    Shary, V.
    Shaw, S.
    Shchukin, A. A.
    Simak, V.
    Skubic, P.
    Slattery, P.
    Smirnov, D.
    Snow, G. R.
    Snow, J.
    Snyder, S.
    Soeldner-Rembold, S.
    Sonnenschein, L.
    Soustruznik, K.
    Stark, J.
    Stoyanova, D. A.
    Strauss, M.
    Stroehmer, R.
    Suter, L.
    Svoisky, P.
    Titov, M.
    Tokmenin, V. V.
    Tsai, Y. -T
    Tsybychev, D.
    Tuchming, B.
    Tully, C.
    Uvarov, L.
    Uvarov, S.
    Uzunyan, S.
    Van Kooten, R.
    Van Leeuwen, W. M.
    Varelas, N.
    Varnes, E. W.
    Vasilyev, I. A.
    Verkheev, A. Y.
    Vertogradov, L. S.
    Verzocchi, M.
    Vesterinen, M.
    Vilanova, D.
    Vokac, P.
    Wahl, H. D.
    Wang, M. H. L. S.
    Warchol, J.
    Watts, G.
    Wayne, M.
    Weichert, J.
    Welty-Rieger, L.
    Williams, M. R. J.
    Wilson, G. W.
    Wobisch, M.
    Wood, D. R.
    Wyatt, T. R.
    Xie, Y.
    Yamada, R.
    Yang, S.
    Yasuda, T.
    Yatsunenko, Y. A.
    Ye, W.
    Ye, Z.
    Yin, H.
    Yip, K.
    Youn, S. W.
    Yu, J. M.
    Zennamo, J.
    Zhao, T. G.
    Zhou, B.
    Zhu, J.
    Zielinski, M.
    Zieminska, D.
    Zivkovic, L.
    Muon reconstruction and identification with the Run II D0 detector2014In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 737, p. 281-294Article in journal (Refereed)
    Abstract [en]

    We present an overview of the muon reconstruction and identification methods employed by the DO collaboration to analyze the Run II (2001-2011) p (p) over bar data of the Fermilab Tevatron collider at root s = 1.96 TeV. We discuss the performance of these methods, how it is measured using DO data, and how it is properly modeled by the DO simulation program. In its pseudorapidity acceptance, vertical bar eta vertical bar < 2, the muon system identifies high-p(T) muons (p(T) greater than or similar to 10 GeV) with efficiencies ranging from 72% to 89%. Muons tracks are reconstructed in the DO central tracking system with efficiencies ranging from 85% to 92% and with a typical relative momentum resolution of 10% for p(T) = 40 GeV. Isolation criteria reject multijet background with efficiencies of 87-99%.

  • 7. Abazov, V. M.
    et al.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Agnew, J. P.
    Alexeev, G. D.
    Alkhazov, G.
    Alton, A.
    Askew, A.
    Atkins, S.
    Augsten, K.
    Avila, C.
    Badaud, F.
    Bagby, L.
    Baldin, B.
    Bandurin, D. V.
    Banerjee, S.
    Barberis, E.
    Baringer, P.
    Bartlett, J. F.
    Bassler, U.
    Bazterra, V.
    Bean, A.
    Begalli, M.
    Bellantoni, L.
    Beri, S. B.
    Bernardi, G.
    Bernhard, R.
    Bertram, I.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Besanon, M.
    Beuselinck, R.
    Bhat, P. C.
    Bhatia, S.
    Bhatnagar, V.
    Blazey, G.
    Blessing, S.
    Bloom, K.
    Boehnlein, A.
    Boline, D.
    Boos, E. E.
    Borissov, G.
    Borysova, M.
    Brandt, A.
    Brandt, O.
    Brock, R.
    Bross, A.
    Brown, D.
    Bu, X. B.
    Buehler, M.
    Buesche, V.
    Bunichev, V.
    Burdin, S.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Camacho-Perez, E.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Casey, B. C. K.
    Castilla-Valdez, H.
    Caughron, S.
    Chakrabarti, S.
    Chan, K. M.
    Chandra, A.
    Chapon, E.
    Chen, G.
    Cho, S. W.
    Choi, S.
    Choudhary, B.
    Cihangir, S.
    Claes, D.
    Clutter, J.
    Cooke, M.
    Cooper, W. E.
    Corcoran, M.
    Couderc, F.
    Cousinou, M. -C
    Cutts, D.
    Das, A.
    Davies, G.
    de Jong, S. J.
    De La Cruz-Burelo, E.
    Deliot, F.
    Demina, R.
    Denisov, D.
    Denisov, S. P.
    Desai, S.
    Deterre, C.
    DeVaughan, K.
    Diehl, H. T.
    Diesburg, M.
    Ding, P. F.
    Dominguez, A.
    Dubey, A.
    Dudko, L. V.
    Duperrina, A.
    Dutt, S.
    Eads, M.
    Edmunds, D.
    Ellison, J.
    Elvira, V. D.
    Enari, Y.
    Evans, H.
    Evdokimov, V. N.
    Feng, L.
    Ferbel, T.
    Fiedler, F.
    Filthaut, F.
    Fisher, W.
    Fisk, H. E.
    Fortner, M.
    Fox, H.
    Fuess, S.
    Garbincius, P. H.
    Garcia-Bellido, A.
    Garcia-Gonzalez, J. A.
    Gavrilov, V.
    Geng, W.
    Gerber, C. E.
    Gershtein, Y.
    Ginther, G.
    Golovanov, G.
    Grannis, P. D.
    Greder, S.
    Greenlee, H.
    Grenier, G.
    Gris, Ph.
    Grivaz, J. -F
    Grohsjean, A.
    Gruenendahl, S.
    Gruenewald, M. W.
    Guillemin, T.
    Gutierrez, G.
    Gutierrez, P.
    Haley, J.
    Han, L.
    Harder, K.
    Harel, A.
    Hauptman, J. M.
    Hays, J.
    Head, T.
    Hebbeker, T.
    Hedin, D.
    Hegab, H.
    Heinson, A. P.
    Heintz, U.
    Hensel, C.
    Heredia-De La Cruz, I.
    Herner, K.
    Hesketh, G.
    Hildreth, M. D.
    Hirosky, R.
    Hoang, T.
    Hobbs, J. D.
    Hoeneisen, B.
    Hogan, J.
    Hohlfeld, M.
    Holzbauer, J. L.
    Howley, I.
    Hubacek, Z.
    Hynek, V.
    Iashvili, I.
    Ilchenko, Y.
    Illingworth, R.
    Ito, A. S.
    Jabeen, S.
    Jaffre, M.
    Jayasinghe, A.
    Jeong, M. S.
    Jesik, R.
    Jiang, P.
    Johns, K.
    Johnson, E.
    Johnson, M.
    Jonckheere, A.
    Jonsson, P.
    Joshi, J.
    Jung, A. W.
    Ak, A. Juste
    Kajfasz, E.
    Karmanov, D.
    Katsanos, I.
    Kehoe, R.
    Kermiche, S.
    Khalatyan, N.
    Khanov, A.
    Kharchilava, A.
    Kharzheev, Y. N.
    Kiselevich, I.
    Kohli, J. M.
    Kozelov, A. V.
    Kraus, J.
    Kumar, A.
    Kupco, A.
    Kurca, T.
    Kuzmin, V. A.
    Lammers, S.
    Lebrun, P.
    Lee, H. S.
    Lee, S. W.
    Lee, W. M.
    Lei, X.
    Lellouch, J.
    Li, D.
    Li, H.
    Li, L.
    Li, Q. Z.
    Lim, J. K.
    Lincoln, D.
    Linnemann, J.
    Lipaev, V. V.
    Lipton, R.
    Liu, H.
    Liu, Y.
    Lobodenko, A.
    Lokajicek, M.
    de Sa, R. Lopes
    Luna-Garcia, R.
    Lyon, A. L.
    Maciel, A. K. A.
    Madar, R.
    Magana-Villalba, R.
    Malik, S.
    Malyshev, V. L.
    Mansour, J.
    Martinez-Ortega, J.
    McCarthy, R.
    McGivern, C. L.
    Meijer, M. M.
    Melnitchouk, A.
    Menezes, D.
    Mercadante, P. G.
    Merkin, M.
    Meyer, A.
    Meyer, J.
    Miconi, F.
    Mondal, N. K.
    Mulhearn, M.
    Nagy, E.
    Narain, M.
    Nayyar, R.
    Neal, H. A.
    Negret, J. P.
    Neustroev, P.
    Nguyen, H. T.
    Nunnemann, T.
    Orduna, J.
    Osman, N.
    Osta, J.
    Pal, A.
    Parashar, N.
    Parihar, V.
    Park, S. K.
    Partridge, R.
    Parua, N.
    Patwa, A.
    Penning, B.
    Perfilov, M.
    Peters, Y.
    Petridis, K.
    Petrillo, G.
    Petroff, P.
    Pleier, M. -A
    Podstavkov, V. M.
    Popov, A. V.
    Prewitt, M.
    Price, D.
    Prokopenko, N.
    Qian, J.
    Quadt, A.
    Quinn, B.
    Raja, R.
    Ratoff, P. N.
    Razumov, I.
    Ripp-Baudot, I.
    Rizatdinova, F.
    Rominsky, M.
    Ross, A.
    Royon, C.
    Rubinov, P.
    Ruchti, R.
    Sajot, G.
    Sanchez-Hernandez, A.
    Sanders, M. P.
    Santos, A. S.
    Savage, G.
    Sawyer, L.
    Scanlon, T.
    Schamberger, R. D.
    Scheglov, Y.
    Schellman, H.
    Schwanenberger, C.
    Schwienhorst, R.
    Sekaric, J.
    Severini, H.
    Shabalina, E.
    Shary, V.
    Shaw, S.
    Shchukin, A. A.
    Simak, V.
    Skubic, P.
    Slattery, P.
    Smirnov, D.
    Snow, G. R.
    Snow, J.
    Snyder, S.
    Soeldner-Rembold, S.
    Sonnenschein, L.
    Soustruznik, K.
    Stark, J.
    Stoyanova, D. A.
    Strauss, M.
    Suter, L.
    Svoisky, P.
    Titov, M.
    Tokmenin, V. V.
    Tsai, Y. -T
    Tsybychev, D.
    Tuchming, B.
    Tully, C.
    Uvarov, L.
    Uvarov, S.
    Uzunyan, S.
    VanKooten, R.
    Vanleeuwen, W. M.
    Varelas, N.
    Varnes, E. W.
    Vasilyev, I. A.
    Verkheev, A. Y.
    Vertogradov, L. S.
    Verzocchi, M.
    Vesterinen, M.
    Vilanova, D.
    Vokac, P.
    Wahl, H. D.
    Wang, M. H. L. S.
    Warchol, J.
    Watts, G.
    Wayne, M.
    Weichert, J.
    Welty-Rieger, L.
    Williams, M. R. J.
    Wilson, G. W.
    Wobisch, M.
    Wood, D. R.
    Wyatt, T. R.
    Xie, Y.
    Yamada, R.
    Yang, S.
    Yasuda, T.
    Yatsunenko, Y. A.
    Ye, W.
    Ye, Z.
    Yin, H.
    Yip, K.
    Youn, S. W.
    Yu, J. M.
    Zennamo, J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Zhao, T. G.
    Zhou, B.
    Zhu, J.
    Zielinski, M.
    Zieminska, D.
    Zivkovic, L.
    Electron and photon identification in the Do experiment2014In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 750, p. 78-95Article in journal (Refereed)
    Abstract [en]

    The electron and photon reconstruction and identification algorithms used by the DO Collaboration at the Fermilab Tevatron collider are described. The determination of the electron energy scale and resolution is presented. Studies of the performance of the electron and photon reconstruction and identification are summarized. The results are based on measurements of Z boson decay events of Z ee and Z gamma ll(i=e mu) collected in pp(over bar) collisions at a center- of- mass energy of 1.96 TeV using an integrated luminosity of up to10 fb(-1.)

  • 8. Abazov, V. M.
    et al.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Agnew, J. P.
    Alexeev, G. D.
    Alkhazov, G.
    Alton, A.
    Askew, A.
    Atkins, S.
    Augsten, K.
    Avila, C.
    Badaud, F.
    Bagby, L.
    Baldin, B.
    Bandurin, D. V.
    Banerjee, S.
    Barberis, E.
    Baringer, P.
    Bartlett, J. F.
    Sassler, U.
    Bazterra, V.
    Bean, A.
    Begalli, M.
    Bellantoni, L.
    Beri, S. B.
    Bernardi, G.
    Bernhard, R.
    Bertram, I.
    Besancon, M.
    Beuselinck, R.
    Bhat, P. C.
    Bhatia, S.
    Bhatnagar, V.
    Blazey, G.
    Blessing, S.
    Bloom, K.
    Boehnlein, A.
    Boline, D.
    Boos, E. E.
    Borissov, G.
    Borysova, M.
    Brandt, A.
    Brandt, O.
    Brock, R.
    Bross, A.
    Brown, D.
    Bu, X. B.
    Buehler, M.
    Buescher, V.
    Bunichev, V.
    Burdin, S.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Camacho-Perez, E.
    Casey, B. C. K.
    Castilla-Valdez, H.
    Caughron, S.
    Chakrabarti, S.
    Chan, K. M.
    Chandra, A.
    Chapon, E.
    Chen, G.
    Cho, S. W.
    Choi, S.
    Choudhary, B.
    Cihangir, S.
    Claes, D.
    Clutter, J.
    Cooke, M.
    Cooper, W. E.
    Corcoran, M.
    Couderc, F.
    Cousinou, M. -C
    Cutts, D.
    Das, A.
    Davies, G.
    de Jong, S. J.
    De La Cruz-Burelo, E.
    de Lima, R. T.
    Deliot, F.
    Demina, R.
    Denisov, D.
    Denisov, S. P.
    Desai, S.
    Deterre, C.
    DeVaughan, K.
    Diehl, H. T.
    Diesburg, M.
    Ding, P. F.
    Dominguez, A.
    Dubey, A.
    Dudko, L. V.
    Duperrin, A.
    Dutt, S.
    Eads, M.
    Edmunds, D.
    Ellison, J.
    Elvira, V. D.
    Enari, Y.
    Evans, H.
    Evdokimov, V. N.
    Feng, L.
    Ferbel, T.
    Fiedler, F.
    Filthaut, F.
    Fisher, W.
    Fisk, H. E.
    Fortner, M.
    Fox, H.
    Fuess, S.
    Garbincius, P. H.
    Garcia-Bellido, A.
    Garcia-Gonzalez, J. A.
    Gavrilov, V.
    Geng, W.
    Gerber, C. E.
    Gershtein, Y.
    Ginther, G.
    Golovanov, G.
    Grannis, P. D.
    Greder, S.
    Greenlee, H.
    Grenier, G.
    Gris, Ph.
    Grivaz, J. -F
    Grohsjean, A.
    Gruenendahl, S.
    Gruenewald, M. W.
    Guillemin, T.
    Gutierrez, G.
    Gutierrez, P.
    Haley, J.
    Han, L.
    Harder, K.
    Harel, A.
    Hauptman, J. M.
    Hays, J.
    Head, T.
    Hebbeker, T.
    Hedin, D.
    Hegab, H.
    Heinson, A. P.
    Heintz, U.
    Hensel, C.
    Heredia-De La Cruz, I.
    Herner, K.
    Hesketh, G.
    Hildreth, M. D.
    Hirosky, R.
    Hoang, T.
    Hobbs, J. D.
    Hoeneisen, B.
    Hogan, J.
    Hohlfeld, M.
    Holzbauer, J. L.
    Howley, I.
    Hubacek, Z.
    Hynek, V.
    Iashvili, I.
    Ilchenko, Y.
    Illingworth, R.
    Ito, A. S.
    Jabeen, S.
    Jaffre, M.
    Jayasinghe, A.
    Jeong, M. S.
    Jesik, R.
    Jiang, P.
    Johns, K.
    Johnson, E.
    Johnson, M.
    Jonckheere, A.
    Jonsson, P.
    Joshi, J.
    Jung, A. W.
    Juste, A.
    Kajfasz, E.
    Karmanov, D.
    Katsanos, I.
    Kehoe, R.
    Kermiche, S.
    Khalatyan, N.
    Khanov, A.
    Kharchilava, A.
    Kharzheev, Y. N.
    Kiselevich, I.
    Kohli, J. M.
    Kozelov, A. V.
    Kraus, J.
    Kumar, A.
    Kupco, A.
    Kurca, T.
    Kuzmin, V. A.
    Lammers, S.
    Lebrun, P.
    Lee, H. S.
    Lee, S. W.
    Lee, W. M.
    Lei, X.
    Lellouch, J.
    Li, D.
    Li, H.
    Li, L.
    Li, Q. Z.
    Lim, J. K.
    Lincoln, D.
    Linnemann, J.
    Lipaev, V. V.
    Lipton, R.
    Liu, H.
    Liu, Y.
    Lobodenko, A.
    Lokajicek, M.
    de Sa, R. Lopes
    Luna-Garcia, R.
    Lyon, A. L.
    Maciel, A. K. A.
    Madar, R.
    Magana-Villalba, R.
    Malik, S.
    Malyshev, V. L.
    Mansour, J.
    Martinez-Ortega, J.
    McCarthy, R.
    McGivern, C. L.
    Meijer, M. M.
    Melnitchouk, A.
    Menezes, D.
    Mercadante, P. G.
    Merkin, M.
    Meyer, A.
    Meyer, J.
    Miconi, F.
    Mondal, N. K.
    Mulhearn, M.
    Nagy, E.
    Narain, M.
    Nayyar, R.
    Neal, H. A.
    Negret, J. P.
    Neustroev, P.
    Nguyen, H. T.
    Nunnemann, T.
    Orduna, J.
    Osman, N.
    Osta, J.
    Pal, A.
    Parashar, N.
    Parihar, V.
    Park, S. K.
    Partridge, R.
    Parua, N.
    Patwa, A.
    Penning, B.
    Perfilov, M.
    Peters, Y.
    Petridis, K.
    Petrillo, G.
    Petroff, P.
    Pleier, M. -A
    Podstavkov, V. M.
    Popov, A. V.
    Prewitt, M.
    Price, D.
    Prokopenko, N.
    Qian, J.
    Quadt, A.
    Quinn, B.
    Ratoff, P. N.
    Razumov, I.
    Ripp-Baudot, I.
    Rizatdinova, F.
    Rominsky, M.
    Ross, A.
    Royon, C.
    Rubinov, P.
    Ruchti, R.
    Sajot, G.
    Sanchez-Hernandez, A.
    Sanders, M. P.
    Santos, A. S.
    Savage, G.
    Sawyer, L.
    Scanlon, T.
    Schamberger, R. D.
    Scheglov, Y.
    Schellman, H.
    Schwanenberger, C.
    Schwienhorst, R.
    Sekaric, J.
    Severini, H.
    Shabalina, E.
    Shary, V.
    Shaw, S.
    Shchukin, A. A.
    Simak, V.
    Skubic, P.
    Slattery, P.
    Smirnov, D.
    Snow, G. R.
    Snow, J.
    Snyder, S.
    Soeldner-Rembold, S.
    Sonnenschein, L.
    Soustruznik, K.
    Stark, J.
    Stoyanova, D. A.
    Strauss, M.
    Suter, L.
    Svoisky, P.
    Titov, M.
    Tokmenin, V. V.
    Tsai, Y. -T
    Tsybychev, D.
    Tuchming, B.
    Tully, C.
    Uvarov, L.
    Uvarov, S.
    Uzunyan, S.
    Van Kooten, R.
    van Leeuwen, W. M.
    Varelas, N.
    Varnes, E. W.
    Vasilyev, I. A.
    Verkheev, A. Y.
    Vertogradov, L. S.
    Verzocchi, M.
    Vesterinen, M.
    Vilanova, D.
    Vokac, P.
    Wahl, H. D.
    Wang, M. H. L. S.
    Warchol, J.
    Watts, G.
    Wayne, M.
    Weichert, J.
    Welty-Rieger, L.
    Williams, M. R. J.
    Wilson, G. W.
    Wobisch, M.
    Wood, D. R.
    Wyatt, T. R.
    Xie, Y.
    Yamada, R.
    Yang, S.
    Yasuda, T.
    Yatsunenko, Y. A.
    Ye, W.
    Ye, Z.
    Yin, H.
    Yip, K.
    Youn, S. W.
    Yu, J. M.
    Zennamo, J.
    Zhao, T. G.
    Zhou, B.
    Zhu, J.
    Zielinski, M.
    Zieminska, D.
    Zivkovic, L.
    Improved b quark jet identification at the D0 experiment2014In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 763, p. 290-303Article in journal (Refereed)
    Abstract [en]

    The ability to identify jets which originated from b quarks is an important tool of the physics program of the D0 experiment at the Fermilab Tevatron p (p) over bar collider. This paper describes a new algorithm designed to select jets originating from b quarks while suppressing the contamination caused by jets from other quark flavors and gluons. Additionally, a new technique, the SystemN method, for determining the misidentification rate directly from data is presented. (C) 2014 Elsevier B.V. All rights reserved.

  • 9. Abazov, V. M.
    et al.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Agnew, J. P.
    Alexeev, G. D.
    Alkhazov, G.
    Alton, A.
    Askew, A.
    Atkins, S.
    Augsten, K.
    Avila, C.
    Badaud, F.
    Bagby, L.
    Baldin, B.
    Bandurin, D. V.
    Barberis, E.
    Baringer, P.
    Bartlett, J. F.
    Bassler, U.
    Bazterra, V.
    Bean, A.
    Begalli, M.
    Bellantoni, L.
    Beri, S. B.
    Bernardi, G.
    Bernhard, R.
    Bertram, I.
    Besancon, M.
    Beuselinck, R.
    Bhat, P. C.
    Bhatia, S.
    Bhatnagar, V.
    Blazey, G.
    Blessing, S.
    Bloom, K.
    Boehnlein, A.
    Boline, D.
    Boos, E. E.
    Borissov, G.
    Borysova, M.
    Brandt, A.
    Brandt, O.
    Brock, R.
    Bross, A.
    Brown, D.
    Bu, X. B.
    Buehler, M.
    Buescher, V.
    Bunichev, V.
    Burdin, S.
    Buszello, Claus P.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Camacho-Perez, E.
    Casey, B. C. K.
    Castilla-Valdez, H.
    Caughron, S.
    Chakrabarti, S.
    Chan, K. M.
    Chandra, A.
    Chapon, E.
    Chen, G.
    Cho, S. W.
    Choi, S.
    Choudhary, B.
    Cihangir, S.
    Claes, D.
    Clutter, J.
    Cooke, M.
    Cooper, W. E.
    Corcoran, M.
    Couderc, F.
    Cousinou, M. -C
    Cutts, D.
    Das, A.
    Davies, G.
    de Jong, S. J.
    De la Cruz-Burelo, E.
    Deliot, F.
    Demina, R.
    Denisov, D.
    Desai, S.
    Deterre, C.
    DeVaughan, K.
    Diehl, H. T.
    Diesburg, M.
    Dine, P. F.
    Dominguez, A.
    Dubey, A.
    Dudko, L. V.
    Duperrin, A.
    Dutt, S.
    Eads, M.
    Edmunds, D.
    Ellison, J.
    Elvira, V. D.
    Enari, Y.
    Evans, H.
    Evdokimov, V. N.
    Feng, L.
    Ferbel, T.
    Fiedler, F.
    Filthaut, F.
    Fisher, W.
    Fisk, H. E.
    Fortner, M.
    Fox, H.
    Fuess, S.
    Garbincius, P. H.
    Garcia-Bellido, A.
    Garcia-Gonzalez, J. A.
    Gavrilov, V.
    Geng, W.
    Gerber, C. E.
    Gershtein, Y.
    Ginther, G.
    Golovanov, G.
    Grannis, P. D.
    Greder, S.
    Greenlee, H.
    Grenier, G.
    Gris, Ph.
    Grivaz, J. -F
    Grohsjean, A.
    Gruenendahl, S.
    Gruenewald, M. W.
    Guillemin, T.
    Gutierrez, G.
    Gutierrez, P.
    Haley, J.
    Han, L.
    Harder, K.
    Harel, A.
    Hauptman, J. M.
    Hays, J.
    Head, T.
    Hebbeker, T.
    Hedin, D.
    Hegab, H.
    Heinson, A. P.
    Heintz, U.
    Hensel, C.
    Heredia-De La Cruz, I.
    Herner, K.
    Hesketh, G.
    Hildreth, M. D.
    Hirosky, R.
    Hoang, T.
    Hobbs, J. D.
    Hoeneisen, B.
    Hogan, J.
    Hohlfeld, M.
    Holzbauer, J. L.
    Howley, I.
    Hubacekg, Z.
    Hynekg, V.
    Lashvili, I.
    Ilchenko, Y.
    Illingworth, R.
    Ito, A. S.
    Jabeen, S.
    Jaffre, M.
    Jayasinghe, A.
    Jeong, M. S.
    Jesik, R.
    Jiang, P.
    Johns, K.
    Johnson, E.
    Johnson, M.
    Jonckheere, A.
    Jonsson, P.
    Joshi, J.
    Jung, A. W.
    Juste, A.
    Kajfasz, E.
    Karmanov, D.
    Katsanos, I.
    Kehoe, R.
    Kermiche, S.
    Khalatyan, N.
    Khanov, A.
    Kharchilava, A.
    Kharzheev, Y. N.
    Kiselevich, I.
    Kohli, J. M.
    Kozelov, A. V.
    Kraus, J.
    Kumar, A.
    Kupco, A.
    Kucra, T.
    Kuzmin, V. A.
    Lammers, S.
    Lebrun, P.
    Lee, H. S.
    Lee, S. W.
    Lee, W. M.
    Lei, X.
    Lellouch, J.
    Li, D.
    Li, H.
    Li, L.
    Li, Q. Z.
    Lim, J. K.
    Lincoln, D.
    Linnemann, J.
    Lipaev, V. V.
    Lipton, R.
    Liu, H.
    Liu, Y.
    Lobodenko, A.
    Lokajicek, M.
    de Sa, R. Lopes
    Luna-Garcia, R.
    Lyon, A. L.
    Maciel, A. K. A.
    Madar, R.
    Magana-Villalba, R.
    Makovec, N.
    Malik, S.
    Malyshev, V. L.
    Mansour, J.
    Martinez-Ortega, J.
    McCarthy, R.
    McGivern, C. L.
    Meijer, M. M.
    Melnitchouk, A.
    Menezes, D.
    Mercadante, G.
    Merkin, M.
    Meyers, A.
    Meyer, J.
    Miconi, F.
    Mondal, N. K.
    Mulhearn, M.
    Nagy, E.
    Narain, M.
    Nayyar, R.
    Neal, H. A.
    Negret, J. P.
    Neustroev, P.
    Nguyen, H. T.
    Nunnemann, T.
    Orduna, J.
    Osman, N.
    Osta, J.
    Pal, A.
    Parashar, N.
    Parihar, V.
    Park, S. K.
    Partridge, R.
    Parua, N.
    Patwa, A.
    Penning, B.
    Perfilov, Ni.
    Peters, Y.
    Petridis, K.
    Petrillo, G.
    Petroff, P.
    Pleier, M. -A
    Podstavkov, V. M.
    Popov, V.
    Prewitt, Ni.
    Price, D.
    Prokopenko, N.
    Ochando, C.
    Qian, J.
    Quadt, A.
    Quinn, B.
    Raja, R.
    Ratoff, P. N.
    Razumov, I.
    Ripp-Baudot, I.
    Rizatdinova, F.
    Rominsky, Ni.
    Ross, A.
    Royon, C.
    Rubinov, P.
    Ruchti, R.
    Sajot, G.
    Sanchez-Hernandez, A.
    Sanders, M. P.
    Santos, A. S.
    Savage, G.
    Sawyer, L.
    Scanlon, T.
    Schamberger, R. D.
    Scheglov, Y.
    Schellman, H.
    Schwanenberger, C.
    Schwienhorst, R.
    Sekaric, J.
    Severini, H.
    Shabalina, E.
    Shary, V.
    Shaw, S.
    Shchukin, A. A.
    Simak, V.
    Skubic, P.
    Slattery, P.
    Smirnov, D.
    Snow, G. R.
    Snow, J.
    Snyder, S.
    Soeldner-Rembold, S.
    Sonnenschein, L.
    Soustruznik, K.
    Stark, J.
    Stoyanova, D. A.
    Strauss, M.
    Suter, L.
    Svoisky, P.
    Titov, M.
    Tokmenin, V. V.
    Tsai, Y. -T
    Tsybychev, D.
    Tuchming, B.
    Tully, C.
    Uvarov, L.
    Uvarov, S.
    Uzunyan, S.
    Van Kooten, R.
    van Leeuwen, W. M.
    Varelas, N.
    Varnes, E. W.
    Vasilyev, I. A.
    Verkheev, A. Y.
    Vertogradov, L. S.
    Verzocchi, M.
    Vesterinen, M.
    Vilanova, D.
    Vokac, P.
    Wahl, H. D.
    Wang, M. H. L. S.
    Warchol, J.
    Watts, G.
    Wayne, M.
    Weichert, J.
    Welty-Rieger, L.
    Williams, M. R. J.
    Wilson, W.
    Wobisch, Ni.
    Wood, D. R.
    Wyatt, T. R.
    Xie, Y.
    Yamada, R.
    Yang, S.
    Yasuda, T.
    Yatsunenko, Y. A.
    Ye, W.
    Ye, Z.
    Yin, H.
    Yip, K.
    Youn, S. W.
    Yu, J. M.
    Zennamo, J.
    Zhao, T. G.
    Zhou, B.
    Zhu, J.
    Zielinski, M.
    Zieminska, D.
    Zivkovic, L.
    Jet energy scale determination in the DO experiment2014In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 763, p. 442-475Article in journal (Refereed)
    Abstract [en]

    The calibration of jet energy measured in the DO detector is presented, based on p (p) over bar collisions at a center-of-mass energy of 1.96 TeV at the Fermilab Tevatron collider, jet energies are measured using a sampling calorimeter composed of uranium and liquid argon as the passive and active media, respectively. This paper describes the energy calibration of jets performed with gamma+jet, Z+jet and dilet events, with jet transverse momentum p(T) > 6 GeV and pseudorapidity range vertical bar eta vertical bar < 3.6, The corrections are measured separately for data and simulation, achieving a precision of 1.4-1.8% for jets in the central part of the calorimeter ancl up to 3.5% for the jets with pseudorapidity vertical bar eta vertical bar = 3.0. Specific corrections are extracted to enhance the description of jet energy in simulation and in particular of the effects due to the flavor of the parton originating the jet, correcting biases up to 3-4% in jets with low PT originating from gluons and up to 6-8% in jets from b quarks. Published by Elsevier B.V.

  • 10. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Bay, R.
    Alba, J. L. Bazo
    Beattie, K.
    Beatty, J. J.
    Bechet, S.
    Becker, J. K.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Bradley, L.
    Braun, J.
    Buitink, S.
    Carson, M.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Colnard, C.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegård, Olle
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Geisler, M.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Haugen, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Homeier, A.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kemming, N.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Kitamura, N.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Koskinen, D. J.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Krings, T.
    Kroll, G.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Laundrie, A.
    Lehmann, R.
    Lennarz, D.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    Matusik, M.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Naumann, U.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, Martino
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ono, M.
    Panknin, S.
    Paul, L.
    de los Heros, Carlos Perez
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid C.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Porrata, R.
    Posselt, J.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Robl, P.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ruzybayev, B.
    Ryckbosch, D.
    Sander, H. -G
    Sandstrom, P.
    Sarkar, S.
    Schatto, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schultes, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    van Santen, J.
    Voigt, B.
    Wahl, D.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, C.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Zarzhitsky, P.
    Calibration and characterization of the IceCube photomultiplier tube2010In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 618, no 1-3, p. 139-152Article in journal (Refereed)
    Abstract [en]

    Over 5000 PMTs are being deployed at the South Pole to compose the IceCube neutrino observatory. Many are placed deep in the ice to detect Cherenkov light emitted by the products of high-energy neutrino interactions, and others are frozen into tanks on the surface to detect particles from atmospheric cosmic ray showers. IceCube is using the 10-in. diameter R7081-02 made by Hamamatsu Photonics. This paper describes the laboratory characterization and calibration of these PMTs before deployment. PMTs were illuminated with pulses ranging from single photons to saturation level. Parameterizations are given for the single photoelectron charge spectrum and the saturation behavior. Time resolution, late pulses and afterpulses are characterized. Because the PMTs are relatively large, the cathode sensitivity uniformity was measured. The absolute photon detection efficiency was calibrated using Rayleigh-scattered photons from a nitrogen laser. Measured characteristics are discussed in the context of their relevance to IceCube event reconstruction and simulation efforts.

  • 11. Abbasi, R.
    et al.
    Abdou, Y.
    Ackermann, M.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Altmann, D.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Baum, V.
    Bay, R.
    Beattie, K.
    Beatty, J. J.
    Bechet, S.
    Becker Tjus, J.
    Becker, K. -H
    Bell, M.
    Benabderrahmane, M. L.
    Benzvi, S.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bindig, D.
    Bissok, M.
    Blaufuss, E.
    Blumenthal, J.
    Boersma, D. J.
    Bohm, C.
    Bose, D.
    Böser, S.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brayeur, L.
    Brown, A. M.
    Bruijn, R.
    Brunner, J.
    Buitink, S.
    Carson, M.
    Casey, J.
    Casier, M.
    Chirkin, D.
    Christy, B.
    Clevermann, F.
    Cohen, S.
    Cowen, D. F.
    Cruz Silva, A. H.
    Danninger, M.
    Daughhetee, J.
    Davis, J. C.
    De Clercq, C.
    Descamps, F.
    Desiati, P.
    De Vries-Uiterweerd, G.
    Deyoung, T.
    Díaz-Vélez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Dunkman, M.
    Eagan, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegård, Olle
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Fedynitch, A.
    Feintzeig, J.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Fischer-Wasels, T.
    Flis, S.
    Franckowiak, A.
    Franke, R.
    Frantzen, K.
    Fuchs, T.
    Gaisser, T. K.
    Gallagher, J.
    Gerhardt, L.
    Gladstone, L.
    Glüsenkamp, T.
    Goldschmidt, A.
    Goodman, J. A.
    Góra, D.
    Grant, D.
    Groß, A.
    Grullon, S.
    Gurtner, M.
    Ha, C.
    Haj Ismail, A.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Halzen, F.
    Hanson, K.
    Heereman, D.
    Heimann, P.
    Heinen, D.
    Helbing, K.
    Hellauer, R.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoffmann, R.
    Homeier, A.
    Hoshina, K.
    Huelsnitz, W.
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Ishihara, A.
    Jacobi, E.
    Jacobsen, J.
    Japaridze, G. S.
    Jlelati, O.
    Kappes, A.
    Karg, T.
    Karle, A.
    Kiryluk, J.
    Kislat, F.
    Kläs, J.
    Klein, S. R.
    Köhne, J. -H
    Kohnen, G.
    Kolanoski, H.
    Köpke, L.
    Kopper, C.
    Kopper, S.
    Koskinen, D. J.
    Kowalski, M.
    Krasberg, M.
    Kroll, G.
    Kunnen, J.
    Kurahashi, N.
    Kuwabara, T.
    Labare, M.
    Laihem, K.
    Landsman, H.
    Larson, M. J.
    Lauer, R.
    Lesiak-Bzdak, M.
    Lünemann, J.
    Madsen, J.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McNally, F.
    Meagher, K.
    Merck, M.
    Mészáros, P.
    Meures, T.
    Miarecki, S.
    Middell, E.
    Milke, N.
    Miller, J.
    Mohrmann, L.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Naumann, U.
    Nowicki, S. C.
    Nygren, D. R.
    Obertacke, A.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    O'Murchadha, A.
    Panknin, S.
    Paul, L.
    Pepper, J. A.
    Pérez De Los Heros, Carlos
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Pieloth, D.
    Pirk, N.
    Posselt, J.
    Price, P. B.
    Przybylski, G. T.
    Rädel, L.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Richman, M.
    Riedel, B.
    Rodrigues, J. P.
    Rothmaier, F.
    Rott, C.
    Ruhe, T.
    Ruzybayev, B.
    Ryckbosch, D.
    Saba, S. M.
    Salameh, T.
    Sander, H. -G
    Santander, M.
    Sarkar, S.
    Schatto, K.
    Scheel, M.
    Scheriau, F.
    Schmidt, T.
    Schmitz, M.
    Schoenen, S.
    Schöneberg, S.
    Schönherr, L.
    Schönwald, A.
    Schukraft, A.
    Schulte, L.
    Schulz, O.
    Seckel, D.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Smith, M. W. E.
    Soiron, M.
    Soldin, D.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stasik, A.
    Stezelberger, T.
    Stokstad, R. G.
    Stößl, A.
    Strahler, E. A.
    Ström, Rickard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Sullivan, G. W.
    Taavola, Henric
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Taboada, I.
    Tamburro, A.
    Ter-Antonyan, S.
    Tilav, S.
    Toale, P. A.
    Toscano, S.
    Usner, M.
    Van Der Drift, D.
    Van Eijndhoven, N.
    Van Overloop, A.
    Van Santen, J.
    Vehring, M.
    Voge, M.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Walter, M.
    Wasserman, R.
    Weaver, C.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Williams, D. R.
    Wissing, H.
    Wolf, M.
    Wood, T. R.
    Woschnagg, K.
    Xu, C.
    Xu, D. L.
    Xu, X. W.
    Yanez, J. P.
    Yodh, G.
    Yoshida, S.
    Zarzhitsky, P.
    Ziemann, J.
    Zilles, A.
    Zoll, M.
    An improved method for measuring muon energy using the truncated mean of dE/dx2013In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 703, p. 190-198Article in journal (Refereed)
    Abstract [en]

    The measurement of muon energy is critical for many analyses in large Cherenkov detectors, particularly those that involve separating extraterrestrial neutrinos from the atmospheric neutrino background. Muon energy has traditionally been determined by measuring the specific energy loss (dE/dx) along the muon's path and relating the dE/dx to the muon energy. Because high-energy muons (Eμ&gt;1TeV) lose energy randomly, the spread in dE/dx values is quite large, leading to a typical energy resolution of 0.29 in log10(Eμ) for a muon observed over a 1 km path length in the IceCube detector. In this paper, we present an improved method that uses a truncated mean and other techniques to determine the muon energy. The muon track is divided into separate segments with individual dE/dx values. The elimination of segments with the highest dE/dx results in an overall dE/dx that is more closely correlated to the muon energy. This method results in an energy resolution of 0.22 in log10(Eμ), which gives a 26% improvement. This technique is applicable to any large water or ice detector and potentially to large scintillator or liquid argon detectors.

  • 12. Abbasi, R.
    et al.
    Abdou, Y.
    Ackermann, M.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Altmann, D.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Baum, V.
    Bay, R.
    Beattie, K.
    Beatty, J. J.
    Bechet, S.
    Tjus, J. Becker
    Becker, K. -H
    Bell, M.
    Benabderrahmane, M. L.
    BenZvi, S.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bindig, D.
    Bissok, M.
    Blaufuss, E.
    Blumenthal, J.
    Boersma, D. J.
    Bohm, C.
    Bose, D.
    Boeser, S.
    Botner, Olga
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Brayeur, L.
    Brown, A. M.
    Bruijn, R.
    Brunner, J.
    Buitink, S.
    Caballero-Mora, K. S.
    Carson, M.
    Casey, J.
    Casier, M.
    Chirkin, D.
    Christy, B.
    Clevermann, F.
    Cohen, S.
    Cowen, D. F.
    Silva, A. H. Cruz
    Danninger, M.
    Daughhetee, J.
    Davis, J. C.
    De Clercq, C.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Dunkman, M.
    Eagan, R.
    Eisch, J.
    Elliott, C.
    Ellsworth, R. W.
    Engdegard, O.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Fedynitch, A.
    Feintzeig, J.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Fischer-Wasels, T.
    Flis, S.
    Franckowiak, A.
    Franke, R.
    Frantzen, K.
    Fuchs, T.
    Gaisser, T. K.
    Gallagher, J.
    Gerhardt, L.
    Gladstone, L.
    Gluesenkamp, T.
    Goldschmidt, A.
    Goodman, J. A.
    Gora, D.
    Grant, D.
    Gross, A.
    Grullon, S.
    Gurtner, M.
    Ha, C.
    Ismail, A. Haj
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Halzen, F.
    Hanson, K.
    Heereman, D.
    Heimann, P.
    Heinen, D.
    Helbing, K.
    Hellauer, R.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoffmann, R.
    Homeier, A.
    Hoshina, K.
    Huelsnitz, W.
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Ishihara, A.
    Jacobi, E.
    Jacobsen, J.
    Japaridze, G. S.
    Jlelati, O.
    Johansson, H.
    Kappes, A.
    Karg, T.
    Karle, A.
    Kiryluk, J.
    Kislat, F.
    Klaes, J.
    Klein, S. R.
    Klepser, S.
    Koehne, J. -H
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kopper, C.
    Kopper, S.
    Koskinen, D. J.
    Kowalski, M.
    Krasberg, M.
    Kroll, G.
    Kunnen, J.
    Kurahashi, N.
    Kuwabara, T.
    Labare, M.
    Laihem, K.
    Landsman, H.
    Larson, M. J.
    Lauer, R.
    Lesiak-Bzdak, M.
    Luenemann, J.
    Madsen, J.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McDermott, A.
    McNally, F.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Miarecki, S.
    Middell, E.
    Milke, N.
    Miller, J.
    Mohrmann, L.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Naumann, U.
    Niessen, P.
    Nowicki, S. C.
    Nygren, D. R.
    Obertackeo, A.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    O'Murchadha, A.
    Panknin, S.
    Paul, L.
    Pepper, J. A.
    de los Heros, Carlos Perez
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Pieloth, D.
    Pirk, N.
    Posselt, J.
    Price, P. B.
    Przybylski, G. T.
    Raedel, L.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Richman, M.
    Riedel, B.
    Rodrigues, J. P.
    Roth, J.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Ruhe, T.
    Rutledge, D.
    Ruzybayev, B.
    Ryckbosch, D.
    Saba, S. M.
    Salameh, T.
    Sander, H. -G
    Santander, M.
    Sarkar, S.
    Schatto, K.
    Scheel, M.
    Scheriau, F.
    Schmidt, T.
    Schmitz, M.
    Schoenen, S.
    Schoeneberg, S.
    Schoenherr, L.
    Schoenwald, A.
    Schukraft, A.
    Schulte, L.
    Schulz, O.
    Seckel, D.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Shulman, L.
    Smith, M. W. E.
    Soiron, M.
    Soldin, D.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stasik, A.
    Stezelberger, T.
    Stokstad, R. G.
    Stoessl, A.
    Stoyanov, S.
    Strahler, E. A.
    Ström, Rickard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Sulanke, K-H
    Sullivan, G. W.
    Taavola, Henric
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Taboada, I.
    Tamburro, A.
    Ter-Antonyan, S.
    Tilav, S.
    Toale, P. A.
    Toscano, S.
    Usner, M.
    van der Drift, D.
    van Eijndhoven, N.
    Van Overloop, A.
    van Santen, J.
    Vehring, M.
    Voge, M.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Walter, M.
    Wasserman, R.
    Weaver, Ch.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Williams, D. R.
    Wissing, H.
    Wolf, M.
    Wood, T. R.
    Woschnagg, K.
    Xu, C.
    Xu, D. L.
    Xu, X. W.
    Yanez, J. P.
    Yodh, G.
    Yoshida, S.
    Zarzhitsky, P.
    Ziemann, J.
    Zilles, A.
    Zoll, M.
    IceTop: The surface component of IceCube2013In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 700, p. 188-220Article in journal (Refereed)
    Abstract [en]

    IceTop, the surface component of the IceCube Neutrino Observatory at the South Pole, is an air shower array with an area of 1 km(2). The detector allows a detailed exploration of the mass composition of primary cosmic rays in the energy range from about 100 TeV to 1 EeV by exploiting the correlation between the shower energy measured in IceTop and the energy deposited by muons in the deep ice. In this paper we report on the technical design, construction and installation, the trigger and data acquisition systems as well as the software framework for calibration, reconstruction and simulation. Finally the first experience from commissioning and operating the detector and the performance as an air shower detector will be discussed.

  • 13. Abbasi, R
    et al.
    Ackermann, M
    Adams, J
    Ahlers, M
    Ahrens, J
    Andeen, K
    Auffenberge, J
    Bai, X
    Baker, M
    Barwick, W
    Bay, R
    Alba, Bazo
    Beattie, K
    Becka, T
    Becker, K
    Becker, K.-H.
    Berghaus, P
    Berley, D
    Bernardini, E
    Bertrand, D
    Besson, Z
    Bingham, B
    Blaufuss, E
    Boersma, J
    Bohm, C
    Bolmont, J
    Boeser, S
    Botner, O
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Braun, J
    Breeder, D
    Burgess, T
    Carithers, W
    Castermans, T
    Chen, H
    Chirkin, D
    Christy, B
    Clem, J
    Cowen, F
    D'Agostino, V
    Danninger, M
    Davour, A
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Day, T
    Depaepe, O
    De Clercq, C
    Demiroers, L
    Descamps, F
    Desiati, P
    de Vries-Uiterweerd, G
    DeYoung, T
    Diaz-Velez, C
    Dreyer, J
    Dumm, P
    Duvoort, R
    Edwards, R
    Ehrlich, R
    Eisch, J
    Ellsworth, W
    Engdegard, O
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Euler, S
    Evenson, A
    Fadiran, O
    Fazely, R
    Feusels, T
    Filimonov, K
    Finley, C
    Foerster, M
    Fox, D
    Franckowiak, A
    Franke, R
    Gaisser, K
    Gallagher, J
    Ganugapati, R
    Gerhardt, L
    Gladstone, L
    Glowacki, D
    Goldschmidt, A
    Goodman, A
    Gozzini, R
    Grant, D
    Griesel, T
    Gross, A
    Grullon, S
    Gunasingha, M
    Gurtner, M
    Ha, C
    Hallgren, A
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Halzen, F
    Han, K
    Hanson, K
    Hardtke, R
    Hasegawa, Y
    Haugen, J
    Hays, D
    Heise, J
    Helbing, K
    Hellwig, M
    Herquet, P
    Hickford, S
    Hill, C
    Hodges, J
    Hoffman, D
    Hoshina, K
    Hubert, D
    Huelsnitz, W
    Hughey, B
    Huss, J.-P.
    Hulth, O
    Hultqvist, K
    Hussain, S
    Imlay, L
    Inaba, M
    Ishiharai, A
    Jacobsen, J
    Japaridze, S
    Johansson, H
    Jones, A
    Joseph, M
    Kampert, K.-H.
    Kappes, A
    Karg, T
    Karle, A
    Kawai, H
    Kelley, L
    Kiryluk, J
    Kislat, F
    Klein, R
    Kleinfelder, S
    Klepser, S
    Kohnen, G
    Kolanoski, H
    Koepke, L
    Kowalski, M
    Kowarik, T
    Krasberg, M
    Kuehn, K
    Kujawski, E
    Kuwabara, T
    Labare, M
    Laihem, K
    Landsman, H
    Lauer, R
    Laundrie, A
    Leich, H
    Leier, D
    Lewis, C
    Lucke, A
    Ludvig, J
    Lundberg, J
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Luenemann, J
    Madsen, J
    Maruyama, R
    Mase, K
    Matis, S
    McParland, P
    Meagher, K
    Meli, A
    Merck, M
    Messarius, T
    Meszaros, P
    Minor, H
    Miyamoto, H
    Mohr, A
    Mokhtarani, A
    Montaruli, T
    Morse, R
    Movit, M
    Muenich, K
    Muratas, A
    Nahnhauer, R
    Nam, W
    Niessen, P
    Nygren, R
    Odrowski, S
    Olivas, A
    Olivo, M
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Ono, M
    Panknin, S
    Patton, S
    de los Heros, Perez
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Petrovic, J
    Piegsa, A
    Pieloth, D
    Pohl, A. C.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Porrata, R
    Potthoff, N
    Pretz, J
    Price, B
    Przybylski, T
    Rawlins, K
    Razzaque, S
    Redl, P
    Resconi, E
    Rhode, W
    Ribordy, M
    Rizzo, A
    Robbins, J
    Rodrigues, P
    Roth, P
    Rothmaier, F
    Rott, C
    Roucelle, C
    Rutledge, D
    Ryckbosch, D
    Sander, H.-G.
    Sarkar, S
    Satalecka, K
    Sandstrom, P
    Schlenstedt, S
    Schmidt, T
    Schneider, D
    Schulz, O
    Seckel, D
    Semburg, B
    Seo, H
    Sestayo, Y
    Seunarine, S
    Silvestri, A
    Smith, J
    Song, C
    Sopher, E
    Spiczak, M
    Spiering, C
    Stanev, T
    Stezelberger, T
    Stokstad, G
    Stoufer, C
    Stoyanov, S
    Strahler, A
    Straszheim, T
    Sulanke, K.-H.
    Sullivan, W
    Swillenns, Q
    Taboada, I
    Tarasova, O
    Tepe, A
    Ter-Antonyan, S
    Tilav, S
    Tluczykont, M
    Toale, A
    Tosi, D
    Turcan, D
    van Eijndhoven, N
    Vandenbroucke, J
    Van Overloop, A
    Viscomi, V
    Vogt, C
    Voigt, B
    Vu, Q
    Wahl, D
    Walck, C
    Waldenmaier, T
    Waldmann, H
    Walter, M
    Wendt, C
    Westerhof, S
    Whitehorn, N
    Wharton, D
    Wiebusch, H
    Wiedemann, C
    Wikstroem, G
    Williams, R
    Wischnewski, R
    Wissing, H
    Woschnagg, K
    Xu, W
    Yodh, G
    Yoshida, S
    The IceCube data acquisition system: Signal capture, digitization, and timestamping2009In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 601, no 3, p. 294-316Article in journal (Refereed)
    Abstract [en]

    IceCube is a km-scale neutrino observatory under construction at the South Pole with sensors both in the deep ice (InIce) and on the surface (IceTop). The sensors, called Digital Optical Modules (DOMs). detect, digitize and timestamp the signals from optical Cherenkov-radiation photons. The DOM Main Board (MB) data acquisition subsystem is connected to the central DAQ in the IceCube Laboratory (ICL) by a single twisted copper wire-pair and transmits packetized data on demand. Time calibration is maintained throughout the array by regular transmission to the DOMs of precisely timed analog signals, synchronized to a central GPS-disciplined clock. The design goals and consequent features, functional capabilities, and initial performance of the DOM MB, and the operation of a combined array of DOMs as a system, are described here. Experience with the first InIce strings and the IceTop stations indicates that the system design and performance goals have been achieved. (c) 2009 Elsevier B.V. All rights reserved.

  • 14. Abdesselam, A.
    et al.
    Adkin, P. J.
    Allport, P. P.
    Alonso, J.
    Andricek, L.
    Anghinolfi, F.
    Antonov, A. A.
    Apsimon, R. J.
    Atkinson, T.
    Batchelor, L. E.
    Bates, R. L.
    Beck, G.
    Becker, H.
    Bell, P.
    Bell, W.
    Benes, P.
    Bernabeu, J.
    Bethke, S.
    Bizzell, J. P.
    Blocki, J.
    Broklova, Z.
    Broz, J.
    Bohm, J.
    Booker, P.
    Bright, G.
    Brodbeck, T. J.
    Bruckman, P.
    Buttari, C. M.
    Butterworth, J. M.
    Campabadal, F.
    Campbell, D.
    Carpentier, C.
    Carroll, J. L.
    Carter, A. A.
    Carter, J. R.
    Casse, G. L.
    Cermak, P.
    Chamizo, M.
    Charlton, D. G.
    Cheplakov, A.
    Chesi, E.
    Chilingarov, A.
    Chouridou, S.
    Chren, D.
    Christinet, A.
    Chu, M. L.
    Cindro, V.
    Clocio, A.
    Civera, J. V.
    Clark, A.
    Colijn, A. P.
    Cooke, P. A.
    Costa, M. J.
    Costanzo, D.
    Dabrowski, W.
    Danielsen, K. M.
    Davies, V. R.
    Dawson, I.
    de Jong, P.
    Dervan, P.
    Doherty, F.
    Dolezal, Z.
    Donega, M.
    D'Onofrio, M.
    Dorholt, O.
    Drasal, Z.
    Dowell, J. D.
    Duerdoth, I. P.
    Duxfield, R.
    Dwuznik, M.
    Easton, J. M.
    Eckert, S.
    Eklund, L.
    Escobar, C.
    Fadeyev, V.
    Fasching, D.
    Feld, L.
    Ferguson, D. P. S.
    Ferrari, P.
    Ferrere, D.
    Fleta, C.
    Fortin, R.
    Foster, J. M.
    Fowler, C.
    Fox, H.
    Freestone, J.
    French, R. S.
    Fuster, J.
    Gadomski, S.
    Gallop, B. J.
    Garcia, C.
    Garcia-Navarro, J. E.
    Gibson, S.
    Gilchriese, M. G. D.
    Gonzalez, F.
    Gonzalez-Sevilla, S.
    Goodrick, M. J.
    Gorisek, A.
    Gornicki, E.
    Greenall, A.
    Greenfield, D.
    Gregory, S.
    Grigorieva, I. G.
    Grillo, A. A.
    Grosse-Knetter, J.
    Gryska, C.
    Guipet, A.
    Haber, C.
    Hara, K.
    Hartjes, F. G.
    Hauff, D.
    Haywood, S. J.
    Hegeman, S. J.
    Heinzinger, K.
    Hessey, N. P.
    Heusch, C.
    Hicheur, A.
    Hill, J. C.
    Hodgkinson, M.
    Hodgson, P.
    Horazdovsky, T.
    Hollins, T. I.
    Hou, L. S.
    Hou, S.
    Hughes, G.
    Huse, T.
    Ibbotson, M.
    Iglesias, M.
    Ikegami, Y.
    Ilyashenko, I.
    Issever, C.
    Jackson, J. N.
    Jakobs, K.
    Jared, R. C.
    Jarron, P.
    Johansson, P.
    Jones, R. W. L.
    Jones, T. J.
    Joos, D.
    Joseph, J.
    Jovanovic, P.
    Jusko, O.
    Jusko, V.
    Kaplon, J.
    Kazi, S.
    Ketterer, Ch.
    Kholodenko, A. G.
    King, B. T.
    Kodys, P.
    Koffeman, E.
    Kohout, Z.
    Kohriki, T.
    Kondo, T.
    Koperny, S.
    Koukol, H.
    Kral, V.
    Kramberger, G.
    Kubik, P.
    Kudlaty, J.
    Lacasta, C.
    Lagouri, T.
    Lee, S. C.
    Leney, K.
    Lenz, S.
    Lester, C. G.
    Liebicher, K.
    Limper, M.
    Lindsay, S.
    Linhart, V.
    Llosa, G.
    Loebinger, F. K.
    Lozano, M.
    Ludwig, I.
    Ludwig, J.
    Lutz, G.
    Lys, J.
    Maassen, M.
    Macina, D.
    Macpherson, A.
    MacWaters, C.
    Magrath, C. A.
    Malecki, P.
    Mandic, I.
    Mangin-Brinet, M.
    Marti-Garcia, S.
    Matheson, J. P.
    Matson, R. M.
    McMahon, S. J.
    McMahon, T. J.
    Meinhardt, J.
    Mellado, B.
    Melone, J. J.
    Mercer, I. J.
    Messmer, I.
    Mikulec, B.
    Mikuz, M.
    Minano, M.
    Mitsouak, V. A.
    Modesto, P.
    Moed, S.
    Mohn, B.
    Moncrieff, S.
    Moorhead, G.
    Morris, F. S.
    Morris, J.
    Morrissey, M.
    Moser, H. G.
    Moszczynski, A.
    Muijs, A. J. M.
    Murray, W. J.
    Muskett, D.
    Nacher, J.
    Nagai, K.
    Nakano, I.
    Nickerson, R. B.
    Nisius, R.
    Oye, O. K.
    O'Shea, V.
    Paganis, E.
    Parker, M. A.
    Parzefall, U.
    Pater, J. R.
    Peeters, S. J. M.
    Pellegrini, G.
    Pelleriti, G.
    Pernegger, H.
    Perrin, E.
    Phillips, P. W.
    Pilavova, L. V.
    Poltorak, K.
    Pospisil, S.
    Postranecky, M.
    Pritchard, T.
    Prokofiev, K.
    Rafi, J. M.
    Raine, C.
    Ratoff, P. N.
    Reznicek, P.
    Riadovikov, V. N.
    Richter, R. H.
    Robichaud-Veronneau, A.
    Robinson, D.
    Rodriguez-Oliete, R.
    Roe, S.
    Rudge, A.
    Runge, K.
    Saavedra, A.
    Sadrozinski, H. F. W.
    Sanchez, F. J.
    Sandaker, H.
    Saxon, D. H.
    Scheirich, D.
    Schieck, J.
    Seiden, A.
    Sfyrla, A.
    Slavicek, T.
    Smith, K. M.
    Smith, N. A.
    Snow, S. W.
    Solar, M.
    Sopko, B.
    Sopko, V.
    Sospedra, L.
    Spencer, E.
    Stanecka, E.
    Stapnes, S.
    Stastny, J.
    Strachko, V.
    Stradling, A.
    Stugu, B.
    Su, D. S.
    Sutcliffe, P.
    Szczygiel, R.
    Tanaka, R.
    Taylor, G.
    Teng, P. K.
    Terada, S.
    Thompson, R. J.
    Titov, M.
    Toczek, B.
    Tovey, D. R.
    Tratzl, G.
    Troitsky, V. L.
    Tseng, J.
    Turala, M.
    Turner, P. R.
    Tyndel, M.
    Ullan, M.
    Unno, Y.
    Vickey, T.
    Van der Kraaij, E.
    Viehhauser, G.
    Villani, E. G.
    Vitek, T.
    Anh, T. Vu
    Vorobiev, A. P.
    Vossebeld, J. H.
    Wachler, M.
    Wallny, R.
    Ward, C. P.
    Warren, M. R. M.
    Webel, M.
    Weber, M.
    Weidberg, A. R.
    Weilhammer, P.
    Wells, P. S.
    Wetzel, P.
    Whitley, M.
    Wiesmann, M.
    Wilhelm, I.
    Willenbrock, M.
    Wilmut, I.
    Wilson, J. A.
    Winton, J.
    Wolter, M.
    Wormald, M. P.
    Wu, S. L.
    Wu, X.
    Zhu, H.
    Bingefors, Nils
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics.
    The ATLAS semiconductor tracker end-cap module2007In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 575, no 3, p. 353-389Article in journal (Refereed)
    Abstract [en]

    The challenges for the tracking detector systems at the LHC are unprecedented in terms of the number of channels, the required read-out speed and the expected radiation levels. The ATLAS Semiconductor Tracker. (SCT) end-caps have a total of about 3 million electronics channels each reading out every 25 ns into its own on-chip 3.3 mu s buffer. The highest anticipated dose after 10 years operation is 1.4x10(14) cm(-2) in units of 1 MeV neutron equivalent (assuming the damage factors scale with the non-ionising energy loss). The forward tracker has 1976 double-sided modules, mostly of area similar to 70 cm(2), each having 2 x 768 strips read out by six ASICs per side. The requirement to achieve an average perpendicular radiation length of 1.5% X-0, while coping with up to 7 W dissipation per module (after irradiation), leads to stringent constraints on the thermal design. The additional requirement of 1500e(-) equivalent noise charge (ENC) rising to only 1800e(-) ENC after irradiation, provides stringent design constraints on both the high-density Cu/Polyimide flex read-out circuit and the ABCD3TA read-out ASICs. Finally, the accuracy of module assembly must not compromise the 16 mu m (r phi) resolution perpendicular to the strip directions or 580 mu m radial resolution coming from the 40 mrad front-back stereo angle. A total of 2210 modules were built to the tight tolerances and specifications required for the SCT. This was 234 more than the 1976 required and represents a yield of 93%. The component flow was at times tight, but the module production rate of 40-50 per week was maintained despite this. The distributed production was not found to be a major logistical problem and it allowed additional flexibility to take advantage of where the effort was available, including any spare capacity, for building the end-cap modules. The collaboration that produced the ATLAS SCT end-cap modules kept in close contact at all times so that the effects of shortages or stoppages at different sites could be rapidly resolved.

  • 15. Abdesselam, A.
    et al.
    Akimoto, T.
    Allport, P. P.
    Alonso, J.
    Anderson, B.
    Andricek, L.
    Anghinolfi, F.
    Apsimon, R. J.
    Barbier, G.
    Barr, A. J.
    Batchelor, L. E.
    Bates, R. L.
    Batley, J. R.
    Beck, G. A.
    Bell, P. J.
    Belymam, A.
    Bernabeu, J.
    Bethke, S.
    Bizzell, J. P.
    Bohm, J.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Brodbeck, T. J.
    Broklova, Z.
    Broz, J.
    De Renstrom, P. Bruckman
    Buttar, C. M.
    Butterworth, J. M.
    Carpentieri, C.
    Carter, A. A.
    Carter, J. R.
    Charlton, D. G.
    Cheplakov, A.
    Chesi, E.
    Chilingarov, A.
    Chouridou, S.
    Chu, M. L.
    Cindro, V.
    Ciocio, A.
    Civera, J. V.
    Clark, A.
    Coe, P.
    Colijn, A-P
    Cornelissen, T.
    Cosgrove, D. P.
    Costa, M. J.
    Dabrowski, W.
    Dalmau, J.
    Danielsen, K. M.
    Dawson, I.
    Demirkoz, B.
    Dervan, P.
    Dolezal, Z.
    Donega, M.
    D'Onofrio, M.
    Dorholt, O.
    Dowell, J. D.
    Drasal, Z.
    Duerdoth, I. P.
    Dwuznik, M.
    Eckert, S.
    Ekelöf, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Eklund, Lars
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Nuclear and Particle Physics, High Energy Physics.
    Escobar, C.
    Fadeyev, V.
    Feld, L.
    Ferrari, P.
    Ferrere, D.
    Fiorini, L.
    Fortin, R.
    Foster, J. M.
    Fox, H.
    Fraser, T. J.
    Freestone, J.
    French, R.
    Fuster, J.
    Gadomski, S.
    Gallop, B. J.
    Garcia, C.
    Garcia-Navarro, J. E.
    Gibson, M. D.
    Gibson, S.
    Gilchriese, M. G. D.
    Godlewski, J.
    Gonzalez-Sevilla, S.
    Goodrick, M. J.
    Gorisek, A.
    Gornicki, E.
    Greenall, A.
    Grigson, C.
    Grillo, A. A.
    Grosse-Knetter, J.
    Haber, C.
    Hara, K.
    Hartjes, F. G.
    Hauff, D.
    Hawes, B. M.
    Haywood, S. J.
    Hessey, N. P.
    Hicheur, A.
    Hill, J. C.
    Hollins, T. I.
    Holt, R.
    Howell, D. F.
    Hughes, G.
    Huse, T.
    Ibbotson, M.
    Ikegami, Y.
    Issever, C.
    Jackson, J. N.
    Jakobs, K.
    Jarron, P.
    Johansen, L. G.
    Jones, T. J.
    Jones, T. W.
    de Jong, P.
    Joos, D.
    Jovanovic, P.
    Kachiguine, S.
    Kaplon, J.
    Kato, Y.
    Ketterer, C.
    Kobayashi, H.
    Kodys, P.
    Koffeman, E.
    Kohout, Z.
    Kohriki, T.
    Kondo, T.
    Koperny, S.
    Kramberger, G.
    Kubik, P.
    Kudlaty, J.
    Kuwano, T.
    Lacasta, C.
    LaMarra, D.
    Lane, J. B.
    Lee, S. -C
    Lester, C. G.
    Limper, M.
    Lindsay, S.
    Llatas, M. C.
    Loebinger, F. K.
    Lozano, M.
    Ludwig, I.
    Ludwig, J.
    Lutz, G.
    Lys, J.
    Maassen, M.
    Macina, D.
    Macpherson, A.
    MacWaters, C.
    McMahon, S. J.
    McMahon, T. J.
    Magrath, C. A.
    Malecki, P.
    Mandic, I.
    Mangin-Brinet, M.
    Marti-Garcia, S.
    Martinez-Mckinney, G. F. M.
    Matheson, J. M. C.
    Matson, R. M.
    Meinhardt, J.
    Mikulec, B.
    Mikuz, M.
    Minagawa, M.
    Mistry, J.
    Mitsou, V.
    Modesto, P.
    Moed, S.
    Mohn, B.
    Moorhead, G.
    Morin, J.
    Morris, J.
    Morrissey, M.
    Moser, H-G
    Muijs, A. J. M.
    Murray, W. J.
    Nagai, K.
    Nakamura, K.
    Nakamura, Y.
    Nakano, I.
    Nichols, A.
    Nicholson, R.
    Nickerson, R. B.
    Nisius, R.
    O'Shea, V.
    Oye, O. K.
    Palmer, M. J.
    Parker, M. A.
    Parzefall, U.
    Pater, J. R.
    Peeters, S. J. M.
    Pellegrini, G.
    Pernegger, H.
    Perrin, E.
    Phillips, A.
    Phillips, P. W.
    Poltorak, K.
    Pospisil, S.
    Postranecky, M.
    Pritchard, T.
    Rafi, J. M.
    Ratoff, P. N.
    Reznicek, P.
    Richter, R. H.
    Robinson, D.
    Roe, S.
    Rosenbaum, F.
    Rudge, A.
    Runge, K.
    Sadrozinski, H. F. W.
    Sandaker, H.
    Saxon, D. H.
    Schieck, J.
    Sedlak, K.
    Seiden, A.
    Sengoku, H.
    Sfyrla, A.
    Shimma, S.
    Smith, K. M.
    Smith, N. A.
    Snow, S. W.
    Solar, M.
    Solberg, A.
    Sopko, B.
    Sospedra, L.
    Spencer, E.
    Stanecka, E.
    Stapnes, S.
    Stastny, J.
    Stodulski, M.
    Stugu, B.
    Szczygiel, R.
    Tanaka, R.
    Tappern, G.
    Taylor, G.
    Teng, P. K.
    Terada, S.
    Thompson, R. J.
    Titov, M.
    Toczek, B.
    Tovey, D. R.
    Tricoli, A.
    Turala, M.
    Turner, P. R.
    Tyndel, M.
    Ullan, M.
    Unno, Y.
    Van der Kraaij, E.
    van Vulpens, I.
    Viehhauser, G.
    Villani, E. G.
    Vorobel, V.
    Vos, M.
    Wallny, R.
    Warren, M. R. M.
    Wastie, R. L.
    Weber, M.
    Weidberg, A. R.
    Weilhammer, P.
    Wells, P. S.
    Wilder, M.
    Wilhelm, I.
    Wilson, J. A.
    Wolter, M.
    The barrel modules of the ATLAS semiconductor tracker2006In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 568, no 2, p. 642-671Article in journal (Refereed)
    Abstract [en]

    This paper describes the silicon microstrip modules in the barrel section of the SemiConductor Tracker (SCT) of the ATLAS experiment at the CERN Large Hadron Collider (LHC). The module requirements, components and assembly techniques are given, as well as first results of the module performance on the fully assembled barrels that make up the detector being installed in the ATLAS experiment.

  • 16. Abdou, Y.
    et al.
    Becker, K. -H
    Berdermann, J.
    Bissok, M.
    Bohm, C.
    Boeser, S.
    Bothe, M.
    Carson, M.
    Descamps, F.
    Fischer-Wolfarth, J. -H
    Gustafsson, L.
    Hallgren, Allan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Heinen, D.
    Helbing, K.
    Heller, R.
    Hundertmark, S.
    Karg, T.
    Krieger, K.
    Laihem, K.
    Meures, T.
    Nahnhauer, R.
    Naumann, U.
    Oberson, F.
    Paul, L.
    Pohl, M.
    Price, B.
    Ribordy, M.
    Ryckbosch, D.
    Schunck, M.
    Semburg, B.
    Stegmaier, J.
    Sulanke, K. -H
    Tosi, D.
    Vandenbroucke, J.
    Wiebusch, C.
    Design and performance of the South Pole Acoustic Test Setup2012In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 683, p. 78-90Article in journal (Refereed)
    Abstract [en]

    The South Pole Acoustic Test Setup (SPATS) was built to evaluate the acoustic characteristics of the South Pole ice in the 10-100 kHz frequency range, for the purpose of assessing the feasibility of an acoustic neutrino detection array at the South Pole. The SPATS hardware consists of four vertical strings deployed in the upper 500 m of the South Pole ice cap. The strings form a trapezoidal array with a maximum baseline of 543 m. Each string has seven stages equipped with one transmitter and one sensor module (glaciophone). Sound is detected or generated by piezoelectric ceramic elements inside the modules. Analogue signals are sent to the surface on electric cables where they are digitized by a PC-based data acquisition system. The data from all strings are collected on a central computer in the IceCube Laboratory from where they are sent to a central data storage facility via a satellite link or stored locally on tape. A technical overview of SPATS and its performance is presented.

  • 17.
    Agåker, Marcus
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
    Andersson, J
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
    Englund, C.-J.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
    Olsson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
    Ström, M
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
    Nordgren, J
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
    Novel instruments for ultra-soft X-ray emission spectroscopy2009In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 601, no 1-2, p. 213-219Article in journal (Refereed)
    Abstract [en]

    Two alternative instrument designs to the traditional Rowland grating spectrometer for high resolution ultra-soft X-ray spectroscopy are presented. The first instrument is a plane grating spectrometer using off-axis parabolic mirrors for collection and refocusing, and with a spatially resolving multichannel detector with delay line read-out. The instrument offers substantially higher performance in terms of resolution and sensitivity than traditional instruments. The second instrument is a Fourier transform spectrometer based on a grazing incidence Mach-Zehnder interferometer using wavefront dividing beamsplitters. The path length difference can be scanned over 0.1 mm, which corresponds to a resolution of 12 meV. (C) 2009 Elsevier B.V. All rights reserved.

  • 18. Akkoyun, S.
    et al.
    Algora, A.
    Alikhani, B.
    Ameil, F.
    Angelis, G. de
    Arnold, L.
    Astier, A.
    Atac, Ayse
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
    Aubert, Y.
    Aufranc, C.
    Austin, A.
    Aydin, S.
    Azaiez, F.
    Badoer, S.
    Balabanski, D. L.
    Barrientos, D.
    Baulieu, G.
    Baumann, R.
    Bazzacco, D.
    Beck, F. A.
    Beck, T.
    Bednarczyk, P.
    Bellato, M.
    Bentley, M. A.
    Benzoni, G.
    Berthier, R.
    Berti, L.
    Beunard, R.
    Bianco, G. Lo
    Birkenbach, B.
    Bizzeti, P. G.
    Bizzeti-Sona, A. M.
    Blanc, F. Le
    Blasco, J. M.
    Blasi, N.
    Bloor, D.
    Boiano, C.
    Borsato, M.
    Bortolato, D.
    Boston, A. J.
    Boston, H. C.
    Bourgault, P.
    Boutachkov, P.
    Bouty, A.
    Bracco, A.
    Brambilla, S.
    Brawn, I. P.
    Brondi, A.
    Broussard, S.
    Bruyneel, B.
    Bucurescu, D.
    Burrows, I.
    Burger, A.
    Cabaret, S.
    Cahan, B.
    Calore, E.
    Camera, F.
    Capsoni, A.
    Carrio, F.
    Casati, G.
    Castoldi, M.
    Cederwall, B.
    Cercus, J. -L
    Chambert, V.
    Chambit, M. El
    Chapman, R.
    Charles, L.
    Chavas, J.
    Clement, E.
    Cocconi, P.
    Coelli, S.
    Coleman-Smith, P. J.
    Colombo, A.
    Colosimo, S.
    Commeaux, C.
    Conventi, D.
    Cooper, R. J.
    Corsi, A.
    Cortesi, A.
    Costa, L.
    Crespi, F. C. L.
    Cresswell, J. R.
    Cullen, D. M.
    Curien, D.
    Czermak, A.
    Delbourg, D.
    Depalo, R.
    Descombes, T.
    Desesquelles, P.
    Detistov, P.
    Diarra, C.
    Didierjean, F.
    Dimmock, M. R.
    Doan, Q. T.
    Domingo-Pardo, C.
    Doncel, M.
    Dorangeville, F.
    Dosme, N.
    Drouen, Y.
    Duchêne, G.
    Dulny, B.
    Eberth, J.
    Edelbruck, P.
    Egea, J.
    Engert, T.
    Erduran, M. N.
    Erturk, S.
    Fanin, C.
    Fantinel, S.
    Farnea, E.
    Faul, T.
    Filliger, M.
    Filmer, F.
    Finck, Ch.
    France, G. de
    Gadea, A.
    Gast, W.
    Geraci, A.
    Gerl, J.
    Gernhauser, R.
    Giannatiempo, A.
    Giaz, A.
    Gibelin, L.
    Givechev, A.
    Goel, N.
    Gonzalez, V.
    Gottardo, A.
    Grave, X.
    Grebosz, J.
    Griffiths, R.
    Grint, A. N.
    Gros, P.
    Guevara, L.
    Gulmini, M.
    Gorgen, A.
    Ha, H. T. M.
    Habermann, T.
    Harkness, L. J.
    Harroch, H.
    Hauschild, K.
    He, C.
    Hernandez-Prieto, A.
    Hervieu, B.
    Hess, H.
    Huyuk, T.
    Ince, E.
    Isocrate, R.
    Jaworski, G.
    Johnson, A.
    Jolie, J.
    Jones, P.
    Jonson, B.
    Joshi, P.
    Judson, D. S.
    Jungclaus, A.
    Kaci, M.
    Karkour, N.
    Karolak, M.
    Karkour, A.
    Kebbiri, M.
    Kempley, R. S.
    Khaplanov, A.
    Klupp, S.
    Kogimtzis, M.
    Kojouharov, I.
    Korichi, A.
    Korten, W.
    Kroll, Th.
    Krucken, R.
    Kurz, N.
    Ky, B. Y.
    Labiche, M.
    Lafay, X.
    Lavergne, L.
    Lazarus, I. H.
    Leboutelier, S.
    Lefebvre, F.
    Legay, E.
    Legeard, L.
    Lelli, F.
    Lenzi, S. M.
    Leoni, S.
    Lermitage, A.
    Lersch, D.
    Leske, J.
    Letts, S. C.
    Lhenoret, S.
    Lieder, R. M.
    Linget, D.
    Ljungvall, J.
    Lopez-Martens, A.
    Lotode, A.
    Lunardi, S.
    Maj, A.
    Marel, J. van der
    Mariette, Y.
    Marginean, N.
    Marginean, R.
    Maron, G.
    Mather, A. R.
    Meczynski, W.
    Mendez, V.
    Medina, P.
    Melon, B.
    Menegazzo, R.
    Mengoni, D.
    Merchan, E.
    Mihailescu, L.
    Michelagnoli, C.
    Mierzejewski, J.
    Milechina, L.
    Million, B.
    Mitev, K.
    Molini, P.
    Montanari, D.
    Moon, S.
    Morbiducci, F.
    Moro, R.
    Morrall, P. S.
    Möller, O.
    Nannini, A.
    Napoli, D. R.
    Nelson, L.
    Nespolo, M.
    Ngo, V. L.
    Nicoletto, M.
    Nicolini, R.
    Noa, Y. Le
    Nolan, P. J.
    Norman, M.
    Nyberg, Johan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy. Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
    Obertelli, A.
    Olariu, A.
    Orlandi, R.
    Oxley, D. C.
    Ozben, C.
    Ozille, M.
    Oziol, C.
    Pachoud, E.
    Palacz, M.
    Palin, J.
    Pancin, J.
    Parisel, C.
    Pariset, P.
    Pascovici, G.
    Peghin, R.
    Pellegri, L.
    Perego, A.
    Perrier, S.
    Petcu, M.
    Petkov, P.
    Petrache, C.
    Pierre, E.
    Pietralla, N.
    Pietri, S.
    Pignanelli, M.
    Piqueras, I.
    Podolyak, Z.
    Pouhalec, P. Le
    Pouthas, J.
    Pugnere, D.
    Pucknell, V. F. E.
    Pullia, A.
    Quintana, B.
    Raine, R.
    Rainovski, G.
    Ramina, L.
    Rampazzo, G.
    Rana, G. La
    Rebeschini, M.
    Recchia, F.
    Redon, N.
    Reese, M.
    Reiter, P.
    Regan, P. H.
    Riboldi, S.
    Richer, M.
    Rigato, M.
    Rigby, S.
    Ripamonti, G.
    Robinson, A. P.
    Robin, J.
    Roccaz, J.
    Ropert, J. -A
    Rosse, B.
    Rossi Alvarez, C.
    Rosso, D.
    Rubio, B.
    Rudolph, D.
    Saillant, F.
    Sahin, E.
    Salomon, F.
    Salsac, M. -D
    Salt, J.
    Salvato, G.
    Sampson, J.
    Sanchis, E.
    Santos, C.
    Schaffner, H.
    Schlarb, M.
    Scraggs, D. P.
    Seddon, D.
    Senyigit, M.
    Sigward, M. -H
    Simpson, G.
    Simpson, J.
    Slee, M.
    Smith, J. F.
    Sona, P.
    Sowicki, B.
    Spolaore, P.
    Stahl, C.
    Stanios, T.
    Stefanova, E.
    Stezowski, O.
    Strachan, J.
    Suliman, G.
    Söderström, Pär-Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
    Tain, J. L.
    Tanguy, S.
    Tashenov, S.
    Theisen, Ch.
    Thornhill, J.
    Tomasi, F.
    Toniolo, N.
    Touzery, R.
    Travers, B.
    Triossi, A.
    Tripon, M.
    Tun-Lanoe, K. M. M.
    Turcato, M.
    Unsworth, C.
    Ur, C. A.
    Valiente-Dobon, J. J.
    Vandone, V.
    Vardaci, E.
    Venturelli, R.
    Veronese, F.
    Veyssiere, Ch.
    Viscione, E.
    Wadsworth, R.
    Walker, P. M.
    Warr, N.
    Weber, C.
    Weisshaar, D.
    Wells, D.
    Wieland, O.
    Wiens, A.
    Wittwer, G.
    Wollersheim, H. J.
    Zocca, F.
    Zamfir, N. V.
    Zieblinski, M.
    Zucchiatti, A.
    AGATA -Advanced GAmma Tracking Array2012In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 668, p. 26-58Article in journal (Refereed)
    Abstract [en]

    The Advanced GAmma Tracking Array (AGATA) is a European project to develop and operate the next generation gamma-ray spectrometer. AGATA is based on the technique of gamma-ray energy tracking in electrically segmented high-purity germanium crystals. This technique requires the accurate determination of the energy, time and position of every interaction as a gamma ray deposits its energy within the detector volume. Reconstruction of the full interaction path results in a detector with very high efficiency and excellent spectral response. The realisation of gamma-ray tracking and AGATA is a result of many technical advances. These include the development of encapsulated highly segmented germanium detectors assembled in a triple cluster detector cryostat, an electronics system with fast digital sampling and a data acquisition system to process the data at a high rate. The full characterisation of the crystals was measured and compared with detector-response simulations. This enabled pulse-shape analysis algorithms, to extract energy, time and position, to be employed. In addition, tracking algorithms for event reconstruction were developed. The first phase of AGATA is now complete and operational in its first physics campaign. In the future AGATA will be moved between laboratories in Europe and operated in a series of campaigns to take advantage of the different beams and facilities available to maximise its science output. The paper reviews all the achievements made in the AGATA project including all the necessary infrastructure to operate and support the spectrometer.

  • 19.
    Al-Adili, Ali
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
    Hambsch, Franz-Josef
    IRMM JRC EC.
    Bencardino, Raffaele
    IRMM JRC EC.
    Oberstedt, Stephan
    IRMM JRC EC.
    Pomp, Stephan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
    Ambiguities in the grid-inefficiency correction for Frisch-Grid Ionization Chambers2012In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 673, p. 116-121Article in journal (Refereed)
    Abstract [en]

    Ionization chambers with Frisch grids have been very successfully applied to neutron-induced fission-fragment studies during the past 20 years. They are radiation resistant and can be easily adapted to the experimental conditions. The use of Frisch grids has the advantage to remove the angular dependency from the charge induced on the anode plate. However, due to the Grid Inefficiency (GI) in shielding the charges, the anode signal remains slightly angular dependent. The correction for the GI is, however, essential to determine the correct energy of the ionizing particles. GI corrections can amount to a few percent of the anode signal. Presently, two contradicting correction methods are considered in literature. The first method adding the angular-dependent part of the signal to the signal pulse height; the second method subtracting the former from the latter. Both additive and subtractive approaches were investigated in an experiment where a Twin Frisch-Grid Ionization Chamber (TFGIC) was employed to detect the spontaneous fission fragments (FF) emitted by a 252Cf source. Two parallel-wire grids with different wire spacing (1 and 2 mm, respectively), were used individually, in the same chamber side. All the other experimental conditions were unchanged. The 2 mm grid featured more than double the GI of the 1 mm grid. The induced charge on the anode in both measurements was compared, before and after GI correction. Before GI correction, the 2 mm grid resulted in a lower pulse-height distribution than the 1 mm grid. After applying both GI corrections to both measurements only the additive approach led to consistent grid independent pulse-height distributions. The application of the subtractive correction on the contrary led to inconsistent, grid-dependent results. It is also shown that the impact of either of the correction methods is small on the FF mass distributions of 235U(nth, f).

  • 20.
    Al-Adili, Ali
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
    Hambsch, Franz-Josef
    IRMM JRC EC .
    Bencardino, Raffaele
    Pomp, Stephan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
    Oberstedt, Stephan
    Zeynalov, Shakir
    JINR.
    On the Frisch–Grid signal in ionization chambers2012In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 671, p. 103-107Article in journal (Refereed)
    Abstract [en]

    A recent theoretical approach concerning the grid-inefficiency (GI) problem in Twin Frisch–Grid Ionization Chambers was validated experimentally. The experimental verification focused on the induced signal on the anode plate. In this work the investigation was extended by studying the grid signal. The aim was to verify the grid-signal dependency on the grid inefficiency σ. The measurements were made with fission fragments from 252Cf(sf), using two different grids, with 1 and 2 mm wire distances, leading to the GI values: σ=0.031 and σ=0.083, respectively. The theoretical grid signal was confirmed because the detected grid pulse-height distribution was smaller for the larger σ. By applying the additive GI correction approach, the two grid pulse heights were consistent.

    In the second part of the work, the corrected grid signal was used to deduce emission angles of the fission fragments. It is inconvenient to treat the grid signal by means of conventional analogue electronics, because of its bipolarity. Therefore, the anode and grid signals were summed to create a unipolar, angle-dependent pulse height. Until now the so-called summing method has been the well-established approach to deduce the angle from the grid signal. However, this operation relies strongly on an accurate and stable calibration between the two summed signals. By application of digital-signal processing, the grid signal's bipolarity is no longer an issue. Hence one can bypass the intermediate summation step of the two different pre-amplifier signals, which leads to higher stability. In this work the grid approach was compared to the summing method in three cases: 252Cf(sf), 235U(n,f) and 234U(n,f). By using the grid directly, the angular resolution was found equally good in the first case but gave 7% and 20% improvements, respectively, in the latter cases.

  • 21.
    Al-Adili, Ali
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
    Hambsch, Franz-Josef
    EC-JRC, IRMM, Geel, Belgium.
    Oberstedt, Stephan
    EC-JRC, IRMM, Geel, Belgium.
    Pomp, Stephan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
    Zeynalov, Shakir
    JINR, Dubna, Russia.
    Comparison of digital and analogue data acquisition systems for nuclear spectroscopy2010In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 624, no 3, p. 684-690Article in journal (Refereed)
    Abstract [en]

    In the present investigation the performance of digital data acquisition (DA) and analogue data acquisition (AA) systems are compared in neutron-induced fission experiments. The DA results are practically identical to the AA results in terms of angular-, energy- and mass-resolution, and both compare very well with literature data. However, major advantages were found with the digital techniques. DA allows for a very efficient αparticle pile-up correction. This is important when considering the accurate measurement of fission-fragment characteristics of highly αactive actinide isotopes relevant for the safe operation of Generation IV reactors and the successful reduction of long-lived radioactive nuclear waste. In case of a strong αemitter, when applying the αparticle pile-up correction, the peak-to-valley ratio of the energy distribution was significantly improved. In addition, DA offers a very flexible expanded off-line analysis and reduces the number of electronic modules drastically, leading to an increased stability against electronic drifts when long measurement times are required.

  • 22. Aliev, M.
    et al.
    Ariza, D.
    Barber, T.
    Benitez, V.
    Bernabeu, J.
    Bloch, I.
    Brenner, Richard
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
    Dilger, T.
    Friedrich, C.
    Goerrissen, N.
    Gregor, I.
    Hauser, M.
    Joos, D.
    Kuehn, S.
    Lacasta, C.
    Lacker, H.
    Lecini, B.
    Mahboubi, K.
    Marco, R.
    Messmer, I.
    Parzefall, U.
    Prahl, V.
    Rehnisch, L.
    Santoyo, D.
    Soldevilla, U.
    Stanitzki, M.
    Ullan, M.
    Wonsak, S.
    A forward silicon strip system for the ATLAS HL-LHC upgrade2013In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 730, p. 210-214Article in journal (Refereed)
    Abstract [en]

    In the year 2022 an upgrade of the Large Hadron Collider (LHC) is planned to increase the luminosity such that an integrated luminosity of L-int similar to 3000 fb(-1) can be accumulated by 2030 [1]. The radiation damage of the present inner tracker at this date and the high track density of the High Luminosity LHC (HL-LHC) require an upgrade of the inner tracker of the ATLAS (A Toroidal LHC ApparatuS) experiment. A new integration concept will be used: the readout electronics is directly glued on the strip surface of the silicon sensors and the sensors are glued to a support structure. For the barrel region this structure is referred to as a Stave and for the end-cap region it is referred to as a Petal. For tests a smaller version, the Petalet, will be build with two design concepts. In this article the construction method is explained and first hybrid test results for one Petalet sensor are presented.

  • 23.
    Amoroso, A.
    et al.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Baldini, R.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Bertani, M.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Bettoni, D.
    INFN Ferrara, Ferrara, Italy..
    Bianchi, F.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Calcaterra, A.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Carassiti, V.
    INFN Ferrara, Ferrara, Italy..
    Cerioni, S.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Chai, J.
    NFN Turin, Turin, Italy.;Inst High Energy Phys, Beijing 100039, Peoples R China..
    Cibinetto, G.
    INFN Ferrara, Ferrara, Italy..
    Cotto, G.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    De Mori, F.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Destefanis, M.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Dong, J.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy.;Inst High Energy Phys, Beijing 100039, Peoples R China..
    Dong, M.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Farinelli, R.
    INFN Ferrara, Ferrara, Italy.;Univ Ferrara, I-44100 Ferrara, Italy..
    Fava, L.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Felici, G.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Fioravanti, E.
    INFN Ferrara, Ferrara, Italy..
    Garzia, I.
    INFN Ferrara, Ferrara, Italy..
    Gatta, M.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Greco, M.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Hu, J. F.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Johansson, Tord
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
    Leng, C.
    NFN Turin, Turin, Italy.;Inst High Energy Phys, Beijing 100039, Peoples R China..
    Li, H.
    NFN Turin, Turin, Italy.;Inst High Energy Phys, Beijing 100039, Peoples R China..
    Liu, Z.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Maggiora, M.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Marcello, S.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Marciniewski, Pawel
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
    Melchiorri, M.
    INFN Ferrara, Ferrara, Italy..
    Mezzadri, G.
    INFN Ferrara, Ferrara, Italy.;Univ Ferrara, I-44100 Ferrara, Italy..
    Morello, G.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Ouyan, Q.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Pacetti, S.
    NFN, Milan, Italy.;Univ Perugia, I-06100 Perugia, Italy..
    Patteri, P.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Rivetti, A.
    NFN Turin, Turin, Italy..
    Rosner, C.
    Johannes Gutenberg Univ Mainz, Mainz, Germany..
    Savrie, M.
    INFN Ferrara, Ferrara, Italy.;Univ Ferrara, I-44100 Ferrara, Italy..
    Sosio, S.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Spataro, S.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    Tskhadadze, E.
    Joint Inst Nucl Res, Dubna, Russia..
    Wang, K.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Wang, L.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Wu, L.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Ji, X.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Ye, M.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Zallo, A.
    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy..
    Zhang, Y.
    Inst High Energy Phys, Beijing 100039, Peoples R China..
    Zotti, L.
    NFN Turin, Turin, Italy.;Univ Turin, I-10124 Turin, Italy..
    A cylindrical GEM detector with analog readout for the BESIII experiment2016In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 824, p. 515-517Article in journal (Refereed)
    Abstract [en]

    A cylindrical GEM detector with analog readout is under development for the upgrade of the Inner Tracker of the BESIII experiment at IHEP (Beijing). The new detector will match the requirements for momentum resolution (sigma(pt) /p(t) similar to 0.5% at 1 GeV) and radial resolution (sigma(xy) similar to 120 mu m) of the existing drift chamber and will improve significantly the spatial resolution along the beam direction (sigma(z) similar to 150 mu m) with very small material budget (less than 1.5% of X-0). With respect to the state of the art the following innovations will be deployed: a lighter mechanical structure based on Rohacell, a new XV anode readout plane with jagged strip layout to reduce the parasitic capacitance, and the use of the analogue readout inside a high intensity magnetic field to have good spatial resolution without increasing the number of channels.

  • 24. Andersen, C. E.
    et al.
    Edmund, J. M.
    Medin, J.
    Grusell, Erik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Oncology, Radiology and Clinical Immunology, Avdelningen för sjukhusfysik.
    Jain, M.
    Mattsson, S.
    Medical proton dosimetry using radioluminescence from aluminium oxide crystals attached to optical-fiber cables2007In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 580, no 1, p. 466-468Article in journal (Refereed)
    Abstract [en]

    The prime objective of this study is to investigate if radioluminescence (RL) from carbon-doped aluminum oxide (Al2O3:C) crystals potentially can be used for absorbed dose-rate measurements during proton radiotherapy. The RL from two separate (2 mg) Al2O3:C crystals attached to optical-fiber cables were recorded during irradiations in water in a 175 MeV clinical proton beam. The RL response for low-LET protons in the plateau region of the Bragg curve was found to closely resemble that observed for a clinical 6 MV X-ray beam. An identical response was found in the Bragg peak (where the dose-averaged LET is about 4 keV/mu m) for absorbed doses less than 0.3 Gy. For doses in the range of 0.3-3Gy, we observed a significant decrease in luminescence efficiency with LET. At 3 Gy, the luminescence efficiency was about 60% in the Bragg-peak region. The study implies that the RL-signal from Al2O3:C could potentially be suitable for medical proton dosimetry in the 0-0.3 Gy range even without any LET-dependent correction factors.

  • 25.
    Andersson, LP
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.