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Related papers: Charmonium in Medium and at RHIC

200 papers

The production of charmonium in heavy-ion collisions is investigated based on Boltzmann-type transport model for charmonium evolution and langevin equation for charm quark evolution. Charmonium suppression and regeneration in both…

High Energy Physics - Phenomenology · Physics 2016-05-04 Baoyi Chen

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 discuss features of charmonium suppression at $\sqtr{s} = 200$ GeV within the framework of the Glauber-Gribov theory and the comovers interaction model. The latter approach has been extended by allowing for secondary charmonium…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Tywoniuk , L. Bravina , A. Capella , E. G. Ferreiro , A. B. Kaidalov , E. Zabrodin

We investigate a scenario where conditions for Mott dissociation of charmonium are fulfilled locally in ultrarelativistic heavy ion collisions at the short time scales before hadronization and study possible consequences to be drawn from…

Nuclear Theory · Physics 2008-02-03 K. Martins , D. Blaschke

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

Charmonia, bound states of charm and anti-charm quarks, represent an interesting probe for the study of Quantum Chromodynamics (QCD) since their production involves both hard and soft energy scales. Several effective models are available to…

High Energy Physics - Experiment · Physics 2019-01-08 Lucas Altenkämper

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

The measurement of quarkonia production in relativistic heavy ion collisions provides a powerful tool for studying the properties of the hot and dense matter created in these collisions. To be really useful, however, such measurements must…

Nuclear Experiment · Physics 2015-09-14 Alexandre Lebedev

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

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

We update our previous work of a Langevin-with-interaction model for charmonium in heavy-ion collisions, by considering the effect due to recombination. We determine the contribution to J/psi yields from charm-anticharm pairs whose…

Nuclear Theory · Physics 2014-11-20 Clint Young , Edward Shuryak

Recent developments in the theoretical evaluation of charmonium production in ultrarelativistic heavy-ion collisions (URHIC's) are discussed. In particular, the consequences of equilibrium properties of open and hidden charm states --…

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

The charmonium dissociation by mesons in relativistic heavy-ion reactions is analyzed within the Regge approach. It is shown that the inclusion of the initial and final state interactions in the dissociation of J/Psi to bar{D}* D* close to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Gennady I. Lykasov , Wolfgang Cassing

In the framework of a microscopic string model inclusive charged particle distribution and baryon and antibaryon production are described. The emphasis is put on high energies (RHIC) where shadowing corrections play a crucial role. Some…

Nuclear Theory · Physics 2007-05-23 A. Capella

Data from J/psi and psi' production in p-A collisions are used to determine the cross section for absorption of pre-resonance charmonium in nuclear matter. The J/psi suppression in O-Cu, O-U and S-U collisions is fully reproduced by the…

High Energy Physics - Phenomenology · Physics 2009-07-09 D. Kharzeev , C. Lourenco , M. Nardi , H. Satz

We study $J/\psi$ suppression in Pb+Pb collisions at CERN-SPS energies in hadronic matter with energy- and temperature-dependent charmonium dissociation cross sections calculated in the quark-interchange model of Barnes and Swanson. We find…

Nuclear Theory · Physics 2009-11-07 Xiao-Ming Xu , Cheuk-Yin Wong , T. Barnes

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

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

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

Charmonia with different transverse momentum $p_T$ usually comes from different mechanisms in the relativistic heavy ion collisions. This work tries to review the theoretical studies on quarkonium evolutions in the deconfined medium…

Nuclear Theory · Physics 2019-05-01 Baoyi Chen , Carsten Greiner