Inclusive J/psi production in Xe-Xe collisions at root s(NN)=5.44 TeV

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http://hdl.handle.net/10138/265938

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The ALICE Collaboration , Acharya , S , Brucken , E J , Chang , B , Hilden , T E , Kim , D J , Litichevskyi , V , Mieskolainen , M M , Orava , R , Parkkila , J E , Rak , J , Räsänen , S S , Saarinen , S , Slupecki , M , Snellman , T W , Trzaska , W H , Vargyas , M & Viinikainen , J 2018 , ' Inclusive J/psi production in Xe-Xe collisions at root s(NN)=5.44 TeV ' , Physics Letters B , vol. 785 , pp. 419-428 . https://doi.org/10.1016/j.physletb.2018.08.047

Title: Inclusive J/psi production in Xe-Xe collisions at root s(NN)=5.44 TeV
Author: The ALICE collaboration; Acharya, S.; Brucken, E. J.; Chang, B.; Hilden, T. E.; Kim, D. J.; Litichevskyi, V.; Mieskolainen, M. M.; Orava, R.; Parkkila, J. E.; Rak, J.; Räsänen, S. S.; Saarinen, S.; Slupecki, M.; Snellman, T. W.; Trzaska, W. H.; Vargyas, M.; Viinikainen, J.
Contributor: University of Helsinki, Helsinki Institute of Physics
University of Helsinki, University of Jyväskylä
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, University of Jyväskylä
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, University of Jyväskylä
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, University of Jyväskylä
University of Helsinki, University of Jyväskylä
Date: 2018-10-10
Language: eng
Number of pages: 10
Belongs to series: Physics Letters B
ISSN: 0370-2693
URI: http://hdl.handle.net/10138/265938
Abstract: Inclusive J/psi production is studied in Xe-Xeinteractions at a centre-of-mass energy per nucleon pair of root s(NN) = 5.44 TeV, using the ALICE detector at the CERN LHC. The J/psi meson is reconstructed via its decay into a muon pair, in the centre-of-mass rapidity interval 2.5 <y <4 and down to zero transverse momentum. In this Letter, the nuclear modification factors R-AA for inclusive J/psi, measured in the centrality range 0-90% as well as in the centrality intervals 0-20% and 20-90% are presented. The R-AA values are compared to previously published results for Pb-Pbcollisions at root s(NN) = 5.02 TeV and to the calculation of a transport model. A good agreement is found between Xe-Xe and Pb-Pbresults as well as between data and the model. (C) 2018 Organisation europeenne pour la recherche nucleaire. Published by Elsevier B.V.
Subject: 114 Physical sciences
PB-PB COLLISIONS
TRANSVERSE-MOMENTUM DEPENDENCE
QUARK-GLUON PLASMA
SUPPRESSION
RAPIDITY
LHC
CHARMONIA
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