Measurements of charmonium production in heavy-ion collisions at STAR

In this proceeding, we presented the nuclear modification factor (RAA) of J/ψ as a function of centrality and transverse momentum in Au+Au collisions at √sNN = 14.6, 17.3, 19.6, and 27 GeV collected by STAR. The energy dependence of J/ψ RAA from RHIC to LHC energies is also investigated, and compared with model calculations. Additionally, the first measurement of ψ(2S) production in isobaric collisions at top RHIC energy is presented, including the centrality and transverse momentum dependence of the ψ(2S) over J/ψ yield ratio.

Publication Details

Journal
Springer Link (Chiba Institute of Technology)
Published
2025-11-05
DOI
https://doi.org/10.1051/epjconf/202533904006/pdf
Primary Topic
High-Energy Particle Collisions Research
Type
article
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article

Measurements of charmonium production in heavy-ion collisions at STAR

Springer Link (Chiba Institute of Technology)
High-Energy Particle Collisions Research
article

Measurements of charmonium production in heavy-ion collisions at STAR

article en

Abstract

In this proceeding, we presented the nuclear modification factor (RAA) of J/ψ as a function of centrality and transverse momentum in Au+Au collisions at √sNN = 14.6, 17.3, 19.6, and 27 GeV collected by STAR. The energy dependence of J/ψ RAA from RHIC to LHC energies is also investigated, and compared with model calculations. Additionally, the first measurement of ψ(2S) production in isobaric collisions at top RHIC energy is presented, including the centrality and transverse momentum dependence of the ψ(2S) over J/ψ yield ratio.

Springer Link (Chiba Institute of Technology)
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Measurements of charmonium production in heavy-ion collisions at STAR · Springer Link (Chiba Institute of Technology) (2025) | TGRS Research Map | TGRS