Studies of $J/\psi$ production at forward rapidity in Pb–Pb collisions at $\sqrt{s_{\rm NN}}= 5.02$ TeV

S. Acharya , Kamil Deja , Łukasz Graczykowski , Monika Jakubowska , Małgorzata Janik , Adam Kisiel , Julian Myrcha , Piotr Nowakowski , Janusz Oleniacz , Jan Pluta , Przemysław Rokita , Krystian Rosłon , M. O. Schmidt , Tomasz Trzciński , Hanna Zbroszczyk

Abstract

The inclusive J= production in Pb{Pb collisions at the center-of-mass energyper nucleon pairpsNN= 5:02 TeV, measured with the ALICE detector at the CERN LHC,is reported. The J= meson is reconstructed via the dimuon decay channel at forward ra-pidity (2:5< y <4) down to zero transverse momentum. The suppression of the J= yieldin Pb{Pb collisions with respect to binary-scaled pp collisions is quanti ed by the nuclearmodi cation factor (RAA). TheRAAatpsNN= 5:02 TeV is presented and compared withprevious measurements atpsNN= 2:76 TeV as a function of the centrality of the collision,and of the J= transverse momentum and rapidity. The inclusive J= RAAshows a sup-pression increasing toward higher transverse momentum, with a steeper dependence forcentral collisions. The modi cation of the J= average transverse momentum and averagesquared transverse momentum is also studied. Comparisons with the results of modelsbased on a transport equation and on statistical hadronization are carried out
Collective authorThe ALICE Collaboration
Author S. Acharya - [Variable Energy Cyclotron Centre India]
S. Acharya,,
-
-
, Kamil Deja (FEIT / ICS)
Kamil Deja,,
- The Institute of Computer Science
, Łukasz Graczykowski (FP / NPD)
Łukasz Graczykowski,,
- Nuclear Physics Division
, Monika Jakubowska (FoEE / ICIE)
Monika Jakubowska,,
- The Institute of Control and Industrial Electronics
, Małgorzata Janik (FP / NPD)
Małgorzata Janik,,
- Nuclear Physics Division
, Adam Kisiel (FP / NPD)
Adam Kisiel,,
- Nuclear Physics Division
, Julian Myrcha (FEIT / IN)
Julian Myrcha,,
- The Institute of Computer Science
, Piotr Nowakowski (FEIT / ICS)
Piotr Nowakowski,,
- The Institute of Computer Science
, Janusz Oleniacz (FP / NPD)
Janusz Oleniacz,,
- Nuclear Physics Division
, Jan Pluta (FP / NPD)
Jan Pluta,,
- Nuclear Physics Division
et al.`
Total number of authors1034
Journal seriesJournal of High Energy Physics, ISSN 1029-8479, [1126-6708]
Issue year2020
Vol2020
No2
Pages1-30
Publication size in sheets1.45
Article number41
Keywords in Englishrelativistic heavy ion physics ; quark gluon plasma ; quarkonium ; experimental results
ASJC Classification3106 Nuclear and High Energy Physics
DOIDOI:10.1007/JHEP02(2020)041
URL https://link.springer.com/article/10.1007/JHEP02(2020)041
Languageen angielski
Score (nominal)140
Score sourcejournalList
ScoreMinisterial score = 140.0, 22-09-2020, ArticleFromJournal
Publication indicators WoS Citations = 0; Scopus Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.132; WoS Impact Factor: 2018 = 5.833 (2) - 2018=4.911 (5)
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