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Related papers: Charmonium in a hot medium: melting vs absorption

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A colorless c-cbar dipole emerging from a heavy ion collision and developing the charmonium wave function can be broken-up by final state interactions (FSI) propagating through the hot medium created in the collision. We single out two…

High Energy Physics - Phenomenology · Physics 2015-03-05 B. Z. Kopeliovich , I. K. Potashnikova , Ivan Schmidt , M. Siddikov

We investigate charmonium production in the hot medium created by heavy-ion collisions by setting up a framework in which in-medium charmonium properties are constrained by thermal lattice QCD (lQCD) and subsequently implemented into…

Nuclear Theory · Physics 2012-03-13 Xingbo Zhao

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 set up a framework in which in-medium charmonium properties are constrained by thermal lattice QCD and subsequently implemented into a thermal rate equation enabling the comparison with experimental data in heavy-ion collisions.…

High Energy Physics - Phenomenology · Physics 2011-01-28 Xingbo Zhao , Ralf Rapp

Both color screening and regeneration are hot medium effects on charmonium production in heavy ion collisions. While they affect in an opposite way the charmonium yield, their competition in transverse dynamics bring sensitivity to the…

High Energy Physics - Phenomenology · Physics 2016-02-17 Kai Zhou

Charmonium production and suppression in heavy-ion collisions at relativistic energies is investigated within different models, i.e. the comover absorption model, the threshold suppression model, the statistical coalescence model and the…

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

Applying the HSD transport approach to charmonium dynamics within the 'hadronic comover model' and the 'QGP melting scenario', we show that the suppression pattern seen at RHIC cannot be explained by the interaction with baryons, comoving…

Nuclear Theory · Physics 2008-11-26 O. Linnyk , E. L. Bratkovskaya , W. Cassing , H. Stoecker

The Charmonium transverse momentum distribution is more sensitive to the nature of the hot QCD matter created in high energy nuclear collisions, in comparison with the yield. Taking a detailed transport approach for charmonium motion…

Nuclear Theory · Physics 2015-06-22 Zebo Tang , Nu Xu , Kai Zhou , Pengfei Zhuang

A brief overview of the theory of charmonium suppression in heavy ion collisions is presented. In particular I will concentrate on the effects caused by the hot, deconfined medium and on the effort to treat them using field-theoretical,…

High Energy Physics - Phenomenology · Physics 2013-12-02 Jacopo Ghiglieri

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

We study the charmonium dissociation in the hot medium with finite baryon chemical potential $\mu_B$. Charmonium bound states are dissociated in the medium by the color screening effect and the random scatterings with thermal partons, which…

Nuclear Theory · Physics 2022-11-04 Bo Tong , Baoyi Chen

We investigate with a transport approach the cold and hot nuclear matter effects on the charmonium transverse momentum distributions in relativistic heavy ion collisions. The newly defined nuclear modification factor $r_{AA}=\langle…

Nuclear Theory · Physics 2014-06-04 Kai Zhou , Nu Xu , Zhe Xu , Pengfei Zhuang

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

A kinetic-rate equation approach in a thermally expanding medium is employed to calculate the evolution of charmonium and bottomonium distributions in heavy-ion collisions. The equilibrium properties of the quarkonia are taken from…

High Energy Physics - Phenomenology · Physics 2015-06-11 Xingbo Zhao , Andrew Emerick , Ralf Rapp

Charmonium productions in $p-p$ and $A-B$ collisions have been estimated within the ambit of colour evaporation model (CEM). The model parameters have been fixed by fitting the theoretical results with CDF data. The method is then applied…

Nuclear Theory · Physics 2016-09-08 Pradip Roy , Abhee K. Dutt-Mazumder , Jan-e Alam

Charmonium production in heavy-ion collisions is investigated within a kinetic theory framework incorporating in-medium properties of open- and hidden-charm states in line with recent QCD lattice calculations. A continuously decreasing…

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

The motion of charmonium in heavy ion collisions is described by a three dimensional transport equation with initial production and continuous regeneration in hot medium. The observation of apparently stronger $J/\psi$ suppression at…

Nuclear Theory · Physics 2014-11-20 Yunpeng Liu , Zhen Qu , Nu Xu , Pengfei Zhuang

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

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

Thirty years ago, the suppression of charmonium production in heavy-ion collisions was first proposed as an unambiguous signature for the formation of a Quark-Gluon Plasma. Since then, experiments at fixed-target accelerators (SPS) and…

Nuclear Experiment · Physics 2016-11-09 E. Scomparin
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