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Studies of J/ψ production at forward rapidity in Pb–Pb collisions at √sNN = 5.02 TeV

Acharya S.
•
Adamova D.
•
Adhya S. P.
altro
Zurlo N.
2020
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
The inclusive J/ψ production in Pb–Pb collisions at the center-of-mass energy per nucleon pair sNN = 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 = 5.02 TeV is presented and compared with previous measurements at sNN = 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. [Figure not available: see fulltext.]
DOI
10.1007/JHEP02(2020)041
WOS
WOS:000515812400001
Archivio
http://hdl.handle.net/11368/2961778
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85079422532
https://link.springer.com/article/10.1007/JHEP02(2020)041
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/2961778/1/JHEP_02(2020)041_1-30.pdf
Soggetti
  • Hadron-Hadron scatter...

Web of Science© citazioni
16
Data di acquisizione
Mar 26, 2024
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