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Related papers: Charmonium in Hot Medium

200 papers

We employ the Boltzmann transport model to study the charmonium regeneration with non-thermal charm quarks in relativistic heavy-ion collisions. As heavy quarks do not reach kinetic thermalization in the quark-gluon plasma (QGP), the final…

Nuclear Theory · Physics 2024-06-18 Chaoyu Pan , Shuhan Zheng , Meimei Yang , Zhiwei Liu , Baoyi Chen

We study the hot medium effects in high-multiplicity proton-proton (pp) collisions at $\sqrt{s_{NN}}=13$ TeV via the charmonium probes. The hot medium is described with the hydrodynamic model, while charmonium evolutions in the medium are…

Nuclear Theory · Physics 2024-11-25 Yunfan Bai , Baoyi Chen

Charmonium production at heavy-ion colliders is considered within the comovers interaction model. The formalism is extended by including possible secondary J/psi production through recombination and an estimate of recombination effects is…

High Energy Physics - Phenomenology · Physics 2008-12-18 A. Capella , L. Bravina , E. G. Ferreiro , A. B. Kaidalov , K. Tywoniuk , E. Zabrodin

We have performed a systematic study of $J/\psi$ and $\psi(2S)$ production in $p-p$ collisions at different LHC energies and at different rapidities using the leading order (LO) non-relativistic QCD (NRQCD) model of heavy quarkonium…

High Energy Physics - Phenomenology · Physics 2015-06-23 Biswarup Paul , Mahatsab Mandal , Pradip Roy , Sukalyan Chattapadhyay

Charmonium production from the hadron gas formed in ultra-relativistic heavy-ion collisions is studied. Using the $J/\psi$-hadron absorption cross section determined from the nonperturbative quark-exchange model, which has a peak value…

Nuclear Theory · Physics 2009-10-31 C. M. Ko , X. N. Wang , X. F. Zhang

We provide an update on our semi-classical transport approach for quarkonium production in high-energy heavy-ion collisions, focusing on $J/\psi$ and $\psi(2S)$ mesons in 5.02 TeV Pb-Pb collisions at the Large Hadron Collider (LHC) at both…

Nuclear Theory · Physics 2026-01-12 Biaogang Wu , Ralf Rapp

The quark-gluon plasma (QGP) is a strongly coupled medium in which both open and hidden charm particles experience substantial nonperturbative interactions. This poses a major challenge for a quantitative description of charmonium transport…

Nuclear Theory · Physics 2026-03-06 Kaiyu Fu , Biaogang Wu , Ralf Rapp

Recent experimental and theoretical studies suggest that the quarkonia suppression in a thermal QCD medium created at heavy ion collisions is a complex interplay of various physical processes. In this article we put together most of these…

High Energy Physics - Phenomenology · Physics 2015-09-30 Captain R. Singh , P. K. Srivastava , S. Ganesh , M. Mishra

We present our results on charmonium production at the Large Hadron Collider energies within the comover interaction model. The formalism includes both comover dissociation of $J/\psi$'s and possible secondary $J/\psi$ production through…

High Energy Physics - Phenomenology · Physics 2014-03-12 E. G. Ferreiro

We consider the production of charmonium by $D\bar D$ annihilation during the mixed and hadronic phase of Pb-Pb collision at LHC energy. The calculations for secondary $J/\psi$ and $\psi^,$ production are performed within a kinetic model…

Nuclear Theory · Physics 2015-06-26 P. Braun-Munzinger , K. Redlich

The production of charmonia in relativistic heavy-ion collisions is formulated within the framework of a quantum kinetic theory simultaneously accounting for breakup and recombination processes. The survival probability of J/Psi mesons is…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Blaschke , V. L. Yudichev

Heavy quark and charmonium production as well as their space-time evolution are studied in transport simulations of heavy-ion collisions at RHIC and LHC. In the partonic transport model Boltzmann Approach of MultiParton Scatterings (BAMPS)…

High Energy Physics - Phenomenology · Physics 2015-03-19 Jan Uphoff , Kai Zhou , Oliver Fochler , Zhe Xu , Carsten Greiner

Charmonium production in high-energy collisions can be split into a prompt and a non-prompt component. Both components can be distinguished experimentally by studying displaced topology, and represent valuable tools to investigate the…

Nuclear Experiment · Physics 2025-01-03 Maurice Coquet

We study the charmonium coherent photoproduction and hadroproduction consistently with modifications from both cold and hot nuclear matters. The strong electromagnetic fields from fast moving nucleus interact with the other target nucleus,…

Nuclear Theory · Physics 2018-01-23 Wei Shi , Wangmei Zha , Baoyi Chen

We study cold and hot nuclear matter effects on charmonium production in p+Pb collisions at $\sqrt{s_\text{NN}}=5.02$ TeV in a transport approach. At the forward rapidity, the cold medium effect on all the $c\bar c$ states and the hot…

Nuclear Theory · Physics 2016-12-26 Baoyi Chen , Tiecheng Guo , Yunpeng Liu , Pengfei Zhuang

To investigate a recent proposal that J/$\psi$ production in ultra-relativistic nuclear collisions is of thermal origin we have reanalyzed the data from the NA38/50 collaboration within a thermal model including charm. Comparison of the…

Nuclear Theory · Physics 2009-11-06 P. Braun-Munzinger , J. Stachel

Both hot QCD matter and extremely strong electromagnetic fields are generated in relativistic heavy-ion collisions. We employ the transport model and the equivalent photon approximation (EPA) to study charmonium hadroproduction and…

Nuclear Theory · Physics 2024-11-20 Shuhan Zheng , Jiamin Liu , Shiqi Zheng , Jiaxing Zhao , Baoyi Chen

In this study we apply the Remler formalism to charmonium production at SPS and GSI/FAIR energies in order to investigate the effects of baryon-rich matter on charmonium production and dissociation in heavy-ion collisions within the…

High Energy Physics - Phenomenology · Physics 2026-05-29 Taesoo Song , Jiaxing Zhao , Joerg Aichelin , Elena Bratkovskaya

We calculate open charm and charmonium production in $Au+Au$ reactions at $\sqrt{s}$ = 200 GeV within the hadron-string dynamics (HSD) transport approach employing open charm cross sections from $pN$ and $\pi N$ reactions that are fitted to…

Nuclear Theory · Physics 2009-11-10 E. L. Bratkovskaya , W. Cassing , H. Stoecker

Using a sample of >10^5 J/psi to mu+mu- decays, Fermilab experiment 789 has studied production of J/psi and psi-prime in 800-GeV proton-nucleon collisions. Differential cross sections and nuclear dependences have been measured for…

High Energy Physics - Experiment · Physics 2011-04-15 Daniel M. Kaplan