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Related papers: Sequential Regeneration of Charmonia in Heavy-Ion …

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The production of charmonia is investigated for heavy-ion collisions from SPS to RHIC energies. Our approach incorporates two sources of $J/\Psi$ yield: (i) a direct contribution arising from early (hard) parton-parton collisions, subject…

High Energy Physics - Phenomenology · Physics 2011-05-05 L. Grandchamp , R. Rapp

We calculate the production of $\psi(2S)$ and the pertinent double ratio of its nuclear modification factor ($R_{\rm AA}$) over that of the $J/\psi$ in Pb-Pb collisions at the LHC. Based on a transport model with temperature dependent…

High Energy Physics - Phenomenology · Physics 2017-03-08 Xiaojian Du , Ralf Rapp

Using the two-component model that includes charmonium production from initial nucleon-nucleon hard scattering and regeneration in the produced quark-gluon plasma, we study $J/\psi$ production in heavy ion collisions at SPS, RHIC and LHC.…

Nuclear Theory · Physics 2015-05-27 Taesoo Song , Kyong Chol Han , Che Ming Ko

The production of charmonia in ultrarelativistic heavy-ion collisions is investigated including two sources. These are a primordial contribution coupled with various phases of dissociation, and a statistical coalescence of $c$ and $\bar{c}$…

High Energy Physics - Phenomenology · Physics 2009-11-07 L. Grandchamp , R. Rapp

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 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

The production of the psi' meson in Pb+Pb collisions at CERN SPS is analyzed. It provides an evidence for charmonium regeneration via charm quark-antiquark coalescence at hadronization.

Nuclear Theory · Physics 2007-05-23 Andriy Kostyuk , Horst Stoecker

The transverse momentum (pt) dependence of J/psi production in heavy ion collisions is investigated in a transport model with both initial production and continuous regeneration of charmonia. The competition between the two production…

Nuclear Theory · Physics 2014-11-18 Yunpeng Liu , Zhen Qu , Nu Xu , Pengfei Zhuang

Charmonium production is a probe sensitive to deconfinement in nucleus--nucleus collisions. The production of J/$\psi$ via regeneration within the QGP or at the phase boundary has been identified as an important ingredient for the…

Nuclear Experiment · Physics 2022-10-11 Biswarup Paul

Charmonium production is a probe sensitive to deconfinement in nucleus-nucleus collisions. The production of J/$\psi$ via regeneration within the QGP or at the phase boundary has been identified as an important ingredient for the…

Nuclear Experiment · Physics 2023-09-18 Victor Feuillard

The production of charmonia in heavy-ion collisions is investigated within a kinetic theory framework simultaneously accounting for dissociation and regeneration processes in both quark-gluon plasma (QGP) and hadron-gas phases of the…

High Energy Physics - Phenomenology · Physics 2009-11-10 L. Grandchamp , R. Rapp , G. E. Brown

The production of $J/\Psi$ mesons in central collisions of heavy nuclei is investigated as a function of collision energy. Two contributions are considered simultaneously: early (hard) production coupled with subsequent suppression in a…

High Energy Physics - Phenomenology · Physics 2010-04-06 L. Grandchamp , R. Rapp

We consider the charmonium production in thermalized hadronic medium created in ultrarelativistic heavy ion collisions at LHC energy. The calculations for the secondary $J/\psi$ and $\psi^,$ production by $D\bar D$ annihilation are…

High Energy Physics - Phenomenology · Physics 2009-01-07 P. Braun-Munzinger , K. Redlich

In heavy ion collisions after the quark-gluon plasma there is a hadronic gas phase. Using effective Lagrangians we study the interactions of charmed mesons which lead to $J/\psi$ production and absorption in this gas. We update and extend…

High Energy Physics - Phenomenology · Physics 2018-04-11 L. M. Abreu , K. P. Khemchandani , A. Martínez Torres , F. S. Navarra , M. Nielsen

We investigate the transition from suppression to enhancement of J/psi mesons produced in ultra-relativistic nuclear collisions in the framework of the statistical hadronization model. The calculations are confronted with the most recent…

Nuclear Theory · Physics 2008-11-26 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

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

Charmonium states are considered important signatures of the strongly interacting medium created in heavy-ion collisions. In the ALICE experiment, these probes can be investigated in the mu^+mu^- decay channel, in the forward rapidity…

Nuclear Experiment · Physics 2019-08-13 Roberta Arnaldi

We consider the production of the J/psi mesons in heavy ion collisions at RHIC energies in the statistical coalescence model with an exact (canonical ensemble) charm conservation. The c\bar{c} quark pairs are assumed to be created in the…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. I. Gorenstein , A. P. Kostyuk , H. Stoecker , W. Greiner

We calculate transverse-momentum ($p_t$) spectra and elliptic flow of $J/\psi$'s in $Au$-$Au$ and $Cu$-$Cu$ collisions at RHIC. We employ an earlier constructed 2-component approach for direct and regenerated charmonia which is fairly…

Nuclear Theory · Physics 2008-06-10 Xingbo Zhao , Ralf Rapp

We make use of published yields for $D$-mesons and $J/\psi$ in Pb+Pb collisions at ALICE and a schematic description of the expansion of the hadron gas to study $D$-meson collisions during the hadronic break-up phase as a production…

Nuclear Theory · Physics 2026-02-25 Joseph Dominicus Lap , Berndt Müller
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