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Related papers: Charm elliptic flow in Au+Au collisions at RHIC

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Charm elliptic flow in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) is studied in a multiphase transport model. Assuming that the cross section for charm quark scattering with other light quarks is the same as that…

Nuclear Theory · Physics 2007-05-23 Bin Zhang , Lie-Wen Chen , Che-Ming Ko

From covariant transport theory, a significant ~10% light quark elliptic flow at RHIC implies an elliptic flow of similar magnitude for charm quarks, at moderately large pT > 2.5 - 3 GeV. At lower transverse momenta, charm quark elliptic…

Nuclear Theory · Physics 2009-11-10 Denes Molnar

A study of elliptic flow of open charm mesons, $D^0$ and $D_S ^\pm$ using quark coalescence as a mechanism of hadronization of heavy quarks implemented in conjunction with A Multi Phase Transport (AMPT) model has been presented. We have…

Nuclear Theory · Physics 2017-04-05 Roli Esha , Md. Nasim , Huan Zhong Huang

We report recent results from a multiphase transport (AMPT) model on the azimuthal anisotropies of particle momentum distributions in heavy ion collisions at the Relativistic Heavy Ion Collider. These include higher-order anisotropic flows…

Nuclear Theory · Physics 2009-11-10 Lie-Wen Chen , Che Ming Ko

The elliptic flow in heavy ion collisions at RHIC is studied in a multiphase transport model. By converting the strings in the high energy density regions into partons, we find that the final elliptic flow is sensitive to the parton…

Nuclear Theory · Physics 2009-11-07 Zi-wei Lin , C. M. Ko

The elliptic flow ($v_{2}$) at $\sqrt{s_{\rm NN}} = $ 11.5, 39, and 200 GeV and triangular flow ($v_{3}$) at $\sqrt{s_{\rm NN}} = $ 200 GeV of identified particles ($\pi^{\pm}, K^{\pm}, K^{0}_{S}, p, \bar{p}, \phi, \Lambda$ and…

Nuclear Experiment · Physics 2015-09-28 Xu Sun , Jianli Liu , Alexander Schmah , Shusu Shi , Jingbo Zhang , Lei Huo , Hanzhi Jiang

We have obtained a new set of parameters in a multiphase transport (AMPT) model that are able to describe both the charged particle multiplicity density and elliptic flow measured in Au+Au collisions at center of mass energy…

Nuclear Theory · Physics 2011-07-21 Jun Xu , Che Ming Ko

We present a study of the elliptic flow and $R_{AA}$ of D and anti-D mesons in Au+Au collisions at FAIR energies. We propagate the charm quarks and the D mesons following a previously applied Langevin dynamics. The evolution of the…

High Energy Physics - Phenomenology · Physics 2019-02-05 Gabriele Inghirami , Hendrik van Hees , Stephan Endres , Juan M. Torres-Rincon , Marcus Bleicher

Within the framework of a multiphase transport (AMPT) model that includes both initial partonic and final hadronic interactions, we show that including mean-field potentials in the hadronic phase leads to a splitting of the elliptic flows…

Nuclear Theory · Physics 2012-04-10 Jun Xu , Lie-Wen Chen , Che Ming Ko , Zi-Wei Lin

Production and elliptic flow of heavy quarks are investigated in nucleus-nucleus collisions at RHIC and LHC within the Boltzmann Approach of MultiParton Scatterings (BAMPS). The initial heavy quark yield is estimated with the leading order…

High Energy Physics - Phenomenology · Physics 2014-11-20 Jan Uphoff , Oliver Fochler , Zhe Xu , Carsten Greiner

The space-time propagation of heavy quarks in ultra-relativistic heavy ion collisions is studied within the partonic transport model Boltzmann Approach of MultiParton Scatterings (BAMPS). In this model heavy quarks interact with the…

High Energy Physics - Phenomenology · Physics 2011-08-25 Jan Uphoff , Oliver Fochler , Zhe Xu , Carsten Greiner

The directed flow ($v_{1}$) of open charm meson ($D^{0}$) is studied in Au+Au collisions at $\sqrt{s_{NN}}$ = 200~GeV using A Multi-Phase Transport (AMPT) model framework with partonic interactions (string melting version). Within this…

Nuclear Theory · Physics 2018-07-04 Md Nasim , Subhash Singha

We study the charm quark elliptic flow ($v_{2}$) in heavy ion as well as small system collisions by tracking the evolution history of quarks of different flavors within a multi-phase transport model. The charm quark $v_{2}$ is studied as a…

High Energy Physics - Phenomenology · Physics 2019-04-24 Hanlin Li , Zi-Wei Lin , Fuqiang Wang

We report measurements of charmed hadron production from hadronic ($D^{0}\rightarrow K\pi$) and semileptonic ($\mu$ and $e$) decays in 200 GeV Au+Au collisions at RHIC. Analysis of the spectra indicates that charmed hadrons have a different…

Nuclear Experiment · Physics 2014-04-28 B. I. Abelev

Elliptic flow of charm hadrons is investigated based on the quark coalescence model. Due to the large difference between the charm quark and light quark masses, hadrons containing both light and charm quarks show a qualitatively different…

Nuclear Theory · Physics 2009-11-10 Zi-wei Lin , Denes Molnar

We study the dynamics of charm quarks in the partonic medium and its implication to the di-electron spectra in high energy heavy ion collisions. The charm quarks traversing a thermal medium is simulated by the relativistic Langevin equation…

Nuclear Theory · Physics 2014-05-22 Hao-jie Xu , Xin Dong , Li-juan Ruan , Qun Wang , Zhang-bu Xu , Yi-fei Zhang

We study the elliptic flow systematically from SIS to RHIC energies in a realistic dynamical cascade model. We compile our results with the recent data from STAR and PHOBOS experiments on elliptic flow of charged particles in Au + Au…

Nuclear Theory · Physics 2007-05-23 P. K. Sahu , N. Otuka , A. Ohnishi

The propagation of charm and bottom quarks through an ellipsoidal domain of quark gluon plasma has been studied within the ambit of non-equilibrium statistical mechanics. Energy dissipation of heavy quarks by both radiative and collisional…

Nuclear Theory · Physics 2010-11-23 Santosh K Das , Jan-e Alam

Production, elliptic flow and the nuclear modification factor of charm and bottom quarks are studied in central and non-central heavy-ion collisions at RHIC and LHC using the partonic transport model Boltzmann Approach of MultiParton…

High Energy Physics - Phenomenology · Physics 2011-02-11 Jan Uphoff , Oliver Fochler , Zhe Xu , Carsten Greiner

Fast thermalization and a strong buildup of elliptic flow of QCD matter as found at RHIC are understood as the consequence of perturbative QCD (pQCD) interactions within the 3+1 dimensional parton cascade BAMPS. The main contributions stem…

High Energy Physics - Phenomenology · Physics 2015-05-13 I. Bouras , L. Cheng , A. El , O. Fochler , J. Uphoff , Z. Xu , C. Greiner
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