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Studies of J/[psi] production at forward rapidity in Pb-Pb collisions at √sNN=5.02 TeV

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The inclusive J/ψ production in Pb-Pb collisions at the center-of-mass energy per nucleon pair sNN$$ \sqrt{s_{\mathrm{NN}}} $$ = 5.02 TeV, measured with the ALICE detector at the CERN LHC, is reported. The J/ψ meson is reconstructed via the dimuon decay channel at forward rapidity (2.5 < y < 4...

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Main Authors: Acharya, Shreyasi (Author) , Angelov, Venelin (Author) , Arslandok, Mesut (Author) , Danisch, Meike (Author) , Feuillard, Victor (Author) , Glässel, Peter (Author) , Kim, Jiyoung (Author) , Kim, Minjung (Author) , Köhler, Markus Konrad (Author) , Leardini, Lucia (Author) , Pachmayer, Yvonne C. (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Schmah, Alexander (Author) , Schmidt, Marten Ole (Author) , Stachel, Johanna (Author) , Windelband, Bernd (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 06 February 2020
In: Journal of high energy physics
Year: 2020, Issue: 2
ISSN:1029-8479
DOI:10.1007/JHEP02(2020)041
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP02(2020)041
Verlag, lizenzpflichtig, Volltext: https://link.springer.com/article/10.1007/JHEP02(2020)041
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Author Notes:The ALICE Collaboration
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Summary:The inclusive J/ψ production in Pb-Pb collisions at the center-of-mass energy per nucleon pair sNN$$ \sqrt{s_{\mathrm{NN}}} $$ = 5.02 TeV, measured with the ALICE detector at the CERN LHC, is reported. The J/ψ meson is reconstructed via the dimuon decay channel at forward rapidity (2.5 < y < 4) down to zero transverse momentum. The suppression of the J/ψ yield in Pb-Pb collisions with respect to binary-scaled pp collisions is quantified by the nuclear modification factor (RAA). The RAA at sNN$$ \sqrt{s_{\mathrm{NN}}} $$ = 5.02 TeV is presented and compared with previous measurements at sNN$$ \sqrt{s_{\mathrm{NN}}} $$ = 2.76 TeV as a function of the centrality of the collision, and of the J/ψ transverse momentum and rapidity. The inclusive J/ψ RAA shows a suppression increasing toward higher transverse momentum, with a steeper dependence for central collisions. The modification of the J/ψ average transverse momentum and average squared transverse momentum is also studied. Comparisons with the results of models based on a transport equation and on statistical hadronization are carried out.
Item Description:ALICE Collaboration: S. Acharya, V. Anguelov, M. Arslandok, M. Danisch, V. Feuillard, P. Glässel, J. Kim, M. Kim, M.K. Köhler, L. Leardini, Y.C. Pachmayer, K. Reygers, R. Schicker, A. Schmah, M.O. Schmidt, J. Stachel, B. Windelband [und viele weitere]
Im Titel ist "psi" als griechischer Buchstabe dargestellt
Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt
Gesehen am 07.04.2020
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP02(2020)041

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