Inclusive J/psi production at forward and backward rapidity in p-Pb collisions at root s(NN)=8.16 TeV



Acharya, S, Acosta, FT, Adamova, D, Adolfsson, J, Aggarwal, MM, Rinella, G Aglieri, Agnello, M, Agrawal, N, Ahammed, Z, Ahn, SU
et al (show 993 more authors) (2018) Inclusive J/psi production at forward and backward rapidity in p-Pb collisions at root s(NN)=8.16 TeV JOURNAL OF HIGH ENERGY PHYSICS, 2018 (7). 160-. ISSN 1029-8479, 1029-8479

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Abstract

Inclusive J/ψ production is studied in p-Pb interactions at a centre-of-mass energy per nucleon-nucleon collision sNN=8.16 TeV, using the ALICE detector at the CERN LHC. The J/ψ meson is reconstructed, via its decay to a muon pair, in the centre-of-mass rapidity intervals 2.03 < y<inf>cms</inf> < 3.53 and −4.46 < y<inf>cms</inf> < −2.96, where positive and negative y<inf>cms</inf> refer to the p-going and Pb-going direction, respectively. The transverse momentum coverage is p<inf>T</inf> < 20 GeV/c. In this paper, y<inf>cms</inf>- and p<inf>T</inf>-differential cross sections for inclusive J/ψ production are presented, and the corresponding nuclear modification factors R<inf>pPb</inf> are shown. Forward results show a suppression of the J/ψ yield with respect to pp collisions, concentrated in the region p<inf>T</inf> ≲ 5 GeV/c. At backward rapidity no significant suppression is observed. The results are compared to previous measurements by ALICE in p-Pb collisions at sNN=5.02 TeV and to theoretical calculations. Finally, the ratios R<inf>FB</inf> between forward- and backward-y<inf>cms</inf>R<inf>pPb</inf> values are shown and discussed.[Figure not available: see fulltext.].

Item Type: Article
Uncontrolled Keywords: Heavy Ion Experiments
Depositing User: Symplectic Admin
Date Deposited: 07 May 2019 09:44
Last Modified: 22 May 2026 21:24
DOI: 10.1007/JHEP07(2018)160
Open Access URL: http://doi.org/10.1007/JHEP07(2018)160
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3040030
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