Quarkonium production in Pb--Pb and Xe--Xe collisions with ALICE at the LHC

Abstract

Quarkonium production is an excellent probe to investigate the properties of the hot and dense medium, which can be created in heavy-ion collisions. The production and hadronisation of heavy quarks are well separated in the space-time evolution of a collision and provide a wealth of information of the underlying QCD dynamics from the dense to the eventually dilute system. We report on the latest results from ALICE at the LHC on quarkonium production in heavy-ion collisions at mid- and forward rapidity. The nuclear modification factor as a function of centrality, transverse momentum, and rapidity is presented for charmonium and bottomonium states in Pb--Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$~TeV. In addition, results on the nuclear modification factor of J/$\psi$ in Xe--Xe collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$~TeV are presented. Experimental results are compared with available phenomenological calculations.

arXiv comment5 pages, 6 figures, Proceedings of Hard Probes 2018, 30 September - 5 October, Aix-Les-Bains, France

References in corpus (18)

• Rigorous QCD Analysis of Inclusive Annihilation and Production of Heavy Quarkonium
• Heavy quarkonium: progress, puzzles, and opportunities
• Performance of the ALICE Experiment at the CERN LHC
• Enhanced J/Psi Production in Deconfined Quark Matter
• Medium Modifications and Production of Charmonia at LHC
• Statistical hadronization of heavy quarks in ultra-relativistic nucleus-nucleus collisions
• Sequential Regeneration of Charmonia in Heavy-Ion Collisions
• J/$\psi$ suppression at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
• Color Screening and Regeneration of Bottomonia in High-Energy Heavy-Ion Collisions
• Anisotropic flow in Xe-Xe collisions at $\sqrt{{\mathbf{s}}_{\mathrm{NN}}}=5.44$ TeV
• Transverse momentum spectra and nuclear modification factors of charged particles in Xe-Xe collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.44 TeV
• Centrality and pseudorapidity dependence of the charged-particle multiplicity density in Xe-Xe collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.44 TeV
• Charmonium dissociation and recombination at LHC: Revisiting comovers
• Bottomonium suppression using a lattice QCD vetted potential
• ${\rm Y}$ suppression at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• Υ Production in Heavy Ion Collisions at LHC
• Testing charm quark thermalisation within the Statistical Hadronisation Model
• Experimental overview on quarkonium production

Cited by in corpus (1)

• Transverse momentum distributions of charmonium states with the statistical hadronization model