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Study of ordered hadron chains with the ATLAS detector
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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Number of Authors: 28732017 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 96, article id 092008Article in journal (Refereed) Published
Abstract [en]

The analysis of the momentum difference between charged hadrons in high-energy proton-proton collisions is performed in order to study coherent particle production. The observed correlation pattern agrees with a model of a helical QCD string fragmenting into a chain of ground-state hadrons. A threshold momentum difference in the production of adjacent pairs of charged hadrons is observed, in agreement with model predictions. The presence of low-mass hadron chains also explains the emergence of charge-combination-dependent two-particle correlations commonly attributed to Bose-Einstein interference. The data sample consists of 190  μb−1 of minimum-bias events collected with proton-proton collisions at a center-of-mass energy √s=7  TeV in the early low-luminosity data taking with the ATLAS detector at the LHC.

Place, publisher, year, edition, pages
2017. Vol. 96, article id 092008
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Subatomic Physics
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URN: urn:nbn:se:uu:diva-344312DOI: 10.1103/PhysRevD.96.092008ISI: 000416430900002OAI: oai:DiVA.org:uu-344312DiVA, id: diva2:1188055
Note

ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1103/PhysRevD.96.092008

Available from: 2018-03-06 Created: 2018-03-06 Last updated: 2018-03-06

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Bergeås, Elin KuutmannBokan, PeterBrenner, RichardEkelöf, TordEllert, MattiasFerrari, ArnaudGradin, P.O. JoakimIsacson, MaxMadsen, AlexanderMårtensson, MikaelÖhman, HenrikRangel-Smith, CamillaDe Bruin, Pedro Sales

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Bergeås, Elin KuutmannBokan, PeterBrenner, RichardEkelöf, TordEllert, MattiasFerrari, ArnaudGradin, P.O. JoakimIsacson, MaxMadsen, AlexanderMårtensson, MikaelÖhman, HenrikRangel-Smith, CamillaDe Bruin, Pedro Sales
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High Energy Physics
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Physical Review D
Subatomic Physics

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