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Article
Report number arXiv:1507.06232 ; CERN-PH-EP-2015-146 ; CERN-PH-EP-2015-146
Title Z boson production in p+Pb collisions at sNN=5.02 TeV measured with the ATLAS detector
Related titleZ boson production in p+Pb collisions at sNN=5.02 TeV measured with the ATLAS detector
Author(s) ATLAS Collaboration  Показать всех 2856 авторов
Publication 2015-10-30
Imprint 22 Jul 2015
Number of pages 22
Note 20 pages plus author list (36 pages total), 9 figures, 3 tables, published version, all figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HION-2013-09/
In: Phys. Rev. C 92 (2015) 044915
DOI 10.1103/PhysRevC.92.044915
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LHC ; ATLAS
Free keywords QCD ; relativistic heavy ion physics ; particle and resonance production ; experimental results
Abstract The ATLAS Collaboration has measured the inclusive production of Z bosons via their decays into electron and muon pairs in p+Pb collisions at sNN=5.02 TeV at the Large Hadron Collider. The measurements are made using data corresponding to integrated luminosities of 29.4 nb1 and 28.1 nb1 for Zee and Zμμ, respectively. The results from the two channels are consistent and combined to obtain a cross section times the Z branching ratio, integrated over the rapidity region |yZ|<3.5, of 139.8 ± 4.8 (stat.) ± 6.2 (syst.) ± 3.8 (lumi.) nb. Differential cross sections are presented as functions of the Z boson rapidity and transverse momentum, and compared with models based on parton distributions both with and without nuclear corrections. The centrality dependence of Z boson production in p+Pb collisions is measured and analyzed within the framework of a standard Glauber model and the model's extension for fluctuations of the underlying nucleon-nucleon scattering cross section.
Copyright/License publication: © 2015-2024 CERN (License: CC-BY-3.0)
preprint: © 2015-2024 CERN (License: CC-BY-4.0)



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