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Related papers: J/Psi Production by Charm Quark Coalescence

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The J/psi yield at midrapidity at the top RHIC (relativistic heavy ion collider) energy is calculated within the statistical coalescence model, which assumes charmonium formation at the late stage of the reaction from the charm quarks and…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. P. Kostyuk , M. I. Gorenstein , H. Stoecker , W. Greiner

Production of open and hidden charm hadrons in heavy ion collisions is considered within the statistical coalescence model. Charmed quarks and antiquarks are assumed to be created at the initial stage of the reaction and their number is…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. P. Kostyuk

J/psi production and collective flow is studied with a coalescence model based on phase space distribution of charm quarks from a multi-phase transport model simulation of relativistic heavy ion collisions. Both the yield and the flow of…

Nuclear Theory · Physics 2008-11-26 Bin Zhang

Production of open and hidden charm hadrons in heavy ion collisions is considered within the statistical coalescence model (SCM). Charmed quark-antiquark pairs are assumed to be created at the initial stage of the reaction in hard parton…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. P. Kostyuk

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

Production of open and hidden charm hadrons in heavy ion collisions is considered within the statistical coalescence model. The charmed quark-antiquark pairs are assumed to be created at the initial stage of the reaction in hard parton…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. P. Kostyuk

Hadrons produced in high-energy heavy-ion collisions can suppress the production of J/psi and other charmonium states by charmonium spontaneous dissociation as the hot hadronic environment alters the interaction between the charm quark and…

Nuclear Theory · Physics 2014-11-18 Cheuk-Yin Wong , T. Barnes , E. S. Swanson , Horace W. Crater

We investigate effects of charm-quark interactions in a Quark-Gluon Plasma on the production of $D$ and $J/\psi$ mesons in high-energy heavy-ion collisions. Employing a previously constructed coalescence model that successfully reproduces…

Nuclear Theory · Physics 2009-11-10 V. Greco , C. M. Ko , R. Rapp

We study the $J/\psi$ production based on coalescence model at $\sqrt{s_{NN}}$ = 2.76 and 5.02 TeV Pb-Pb collisions. With the colliding energy increasing from 2.76 TeV to 5.02 TeV, the number of charm pairs is enhanced by more than 50%.…

Nuclear Theory · Physics 2017-12-01 Jiaxing Zhao , Baoyi Chen

We discuss the production of charmonium states in antiproton-nucleus collisions at the $\psi'$ threshold. It is explained that measurements in $\bar p A$ collisions will allow to get new information about the strengths of the inelastic…

Nuclear Theory · Physics 2015-06-26 L. Gerland

We examine the possibility to utilize in-medium charmonium formation in heavy ion interactions at collider energy as a probe of the properties of the medium. This is possible because the formation process involves recombination of charm…

High Energy Physics - Phenomenology · Physics 2009-11-11 R. L. Thews

A collision of a light meson and a charmonium produces quarks and antiquarks first, then the charm quark fragments into a charmed hadron, and finally three or more mesons are produced. This is the mechanism that we consider and propose to…

High Energy Physics - Phenomenology · Physics 2017-07-28 Shi-Tao Ji , Xiao-Ming Xu , H. J. Weber

Heavy quarks are initially produced in nuclear collisions and the number is conserved during the evolution of the system. We establish a sequential coalescence model with charm conservation and apply it to charmed hadron production at RHIC…

High Energy Physics - Phenomenology · Physics 2018-05-29 Jiaxing Zhao , Shuzhe Shi , Nu Xu , Pengfei Zhuang

The production of particles with double, triple and hidden charm in heavy ion collisions is studied in the framework of the statistical coalescence model. According to the postulates of the model, the charm quark-antiquark pairs are created…

Nuclear Theory · Physics 2007-05-23 Andriy Kostyuk

$J/\psi$ observables of p+p collisions at $\sqrt{s}=$ 200 GeV and 2.76 TeV are calculated using the PYTHIA event generator for the production of $c$ and $\bar c$ and the Wigner density formalism. The charm quark momentum from PYTHIA is…

Nuclear Theory · Physics 2017-07-19 Taesoo Song , Joerg Aichelin , Elena Bratkovskaya

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

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 study the production of charmed hadrons $D^{0}$ and $\Lambda_c^+$ in relativistic heavy-ion collisions using an improved quark coalescence model. In particular, we extend the usual coalescence model by letting a produced hadron to have…

Nuclear Theory · Physics 2020-04-21 Sungtae Cho , Kai-Jia Sun , Che Ming Ko , Su Houng Lee , Yongseok Oh

We discuss the production of charmonium states in antiproton-nucleus collisions at the $\psi'$ threshold. It is explained that measurements in $\bar p A$ collisions will allow to get new information about the strengths of the inelastic…

Nuclear Theory · Physics 2009-11-11 L. Gerland , L. Frankfurt , M. Strikman

Using A Multi-Phase Transport (AMPT) model, we study J/psi production from interactions between charm and anti-charm quarks in initial parton phase and between D and Dbar mesons in final hadron phase of relativistic heavy ion collisions at…

Nuclear Theory · Physics 2009-11-07 Bin Zhang , C. M. Ko , Bao-An Li , Zi-Wei Lin , Subrata Pal
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