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Study of ψ(2S) production and cold nuclear matter effects in pPb collisions at s N N = 5 √sN N=5 TeV

2016/01/29 by LHCb collaboration, R. Aaij, C. Abellán Beteta +739 · 44 citations
Physics and Astronomy · #Bar (unit) #Hadron #High-Energy Particle Collisions Research #Luminosity #Meson #Nuclear physics #Nucleon #Particle physics #Particle physics theoretical and experimental studies #Physics #Production (economics) #Proton #Quantum Chromodynamics and Particle Interactions #Rapidity #hep-ex #nucl-ex

paper · pdf · doi:10.1007/jhep03(2016)133

published in Journal of High Energy Physics 2016(3) (Springer Nature) · 23 pages, 7 figures and 3 tables. All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-058.html

arxiv created 2016/01/29 · openalex publication_date 2016/03/01 · openalex created_date 2016/06/24 · arxiv updated 2018/11/22 · openalex updated_date 2026/08/04

Abstract

The production of (2S) mesons is studied in dimuon final states using protonlead (pPb) collision data collected by the LHCb detector. The data sample corresponds to an integrated luminosity of 1.6 nb -1 . The nucleon-nucleon centre-of-mass energy of the pPb collisions is s N N = 5 TeV. The measurement is performed using (2S) mesons with transverse momentum less than 14 GeV/c and rapidity y in the ranges 1.5 < y < 4.0 and -5.0 < y < -2.5 in the nucleon-nucleon centre-of-mass system. The forward-backward production ratio and the nuclear modification factor are determined for (2S) mesons. Using the production cross-section results of (2S) and J/ mesons from b-hadron decays, the b b cross-section in pPb collisions at s N N = 5 TeV is obtained.

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