English
Related papers

Related papers: Model and parameter dependence of heavy quark ener…

200 papers

We study heavy quark energy loss and thermalization in hot and dense nuclear medium. The diffusion of heavy quarks is calculated via a Langevin equation, both for a static medium as well as for a quark-gluon plasma (QGP) medium generated by…

Nuclear Theory · Physics 2015-06-11 Shanshan Cao , Guang-You Qin , Steffen A. Bass

We study the heavy quark evolution in a quark-gluon plasma medium within the framework of Langevin equation coupled to a (2+1)-dimensional viscous hydrodynamic model. We modify the current Langevin algorithm such that apart from…

Nuclear Theory · Physics 2015-06-11 Shanshan Cao , Guang-You Qin , Steffen A. Bass , Berndt Müller

We study the dynamics of energy loss and flow of heavy quarks produced in ultra-relativistic heavy-ion collisions within the framework of a Langevin equation coupled to a (2+1)-dimensional viscous hydrodynamic model that simulates the…

Nuclear Theory · Physics 2013-10-17 Shanshan Cao , Guang-You Qin , Steffen A. Bass

We study the effects of initial state fluctuations on the dynamical evolution of heavy quarks inside a quark-gluon plasma created in relativistic heavy-ion collisions. The evolution of heavy quarks in QGP matter is described utilizing a…

Nuclear Theory · Physics 2015-11-25 Shanshan Cao , Yajing Huang , Guang-You Qin , Steffen A. Bass

We develop a transport approach for heavy quarks in a quark-gluon plasma, which is based on improved binary collision rates taking into account quantum statistics, the running of the QCD coupling and an effective screening mass adjusted to…

High Energy Physics - Phenomenology · Physics 2015-06-04 Alex Meistrenko , Andre Peshier , Jan Uphoff , Carsten Greiner

Within an advanced Langevin-hydrodynamics framework coupled to a hybrid fragmentation-coalescence hadronization model, we study heavy flavor quenching and flow in relativistic heavy-ion collisions. We investigate how the initial heavy quark…

Nuclear Theory · Physics 2020-10-27 Shu-Qing Li , Wen-Jing Xing , Feng-Lei Liu , Shanshan Cao , Guang-You Qin

The momentum distribution of quark-gluon plasma at the early stage of a relativistic heavy-ion collision is anisotropic and consequently the system, which is assumed to be weakly coupled, is unstable due chromomagnetic plasma modes. We…

High Energy Physics - Phenomenology · Physics 2015-11-04 Margaret E. Carrington , Katarzyna Deja , Stanislaw Mrowczynski

We construct a theoretical framework to describe the evolution of heavy flavors produced in relativistic heavy-ion collisions. The in-medium energy loss of heavy quarks is described using our modified Langevin equation that incorporates…

Nuclear Theory · Physics 2015-08-19 Shanshan Cao , Guang-You Qin , Steffen A. Bass

We compute the leading-order collisional energy loss of a heavy quark propagating through a quark-gluon plasma in which the quark and gluon distributions are anisotropic in momentum space. Following the calculation outlined for QED in an…

High Energy Physics - Phenomenology · Physics 2009-11-10 Paul Romatschke , Michael Strickland

Results from an energy loss model that includes thermal fluctuations in the energy loss for heavy quarks in a strongly-coupled plasma are shown to be qualitatively consistent with single particle data from both RHIC and LHC. The model used…

High Energy Physics - Phenomenology · Physics 2015-04-22 W. A. Horowitz

Lattice data for the QCD equation of state and the baryon susceptibility near the crossover phase transition (at zero baryon density) are used to determine the input parameters of a 5-dimensional Einstein-Maxwell-Dilaton holographic model…

High Energy Physics - Theory · Physics 2016-04-19 Romulo Rougemont , Andrej Ficnar , Stefano Finazzo , Jorge Noronha

We study the quark energy loss in an expanding quark-gluon plasma. The expanding plasma produced in high energy AA-collision is described by Bjorken's model. The dependence of the energy loss on the infrared cutoff for the radiated gluons,…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. G. Zakharov

Heavy quarks are valuable probes of the electromagnetic field and the initial condition of the quark-gluon plasma (QGP) matter produced in high-energy nuclear collisions. Within an improved Langevin model that is coupled to a…

Nuclear Theory · Physics 2022-05-18 Ze-Fang Jiang , Shanshan Cao , Wen-Jing Xing , Xiang-Yu Wu , C. B. Yang , Ben-Wei Zhang

To date, holographic calculations in strongly coupled plasma have provided separate descriptions for the rates of energy loss either for ultrarelativistic massless quarks and gluons or for infinitely massive quarks, with the latter…

High Energy Physics - Phenomenology · Physics 2025-05-05 Jean F. Du Plessis , Daniel Pablos , Krishna Rajagopal

Elastic scattering of charm (c) and bottom (b) quarks via D- and B-meson resonance states in an expanding, strongly interacting quark-gluon plasma is investigated. Drag and diffusion coefficients are calculated from an effective model based…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. van Hees , V. Greco , R. Rapp

Considerable evidence now exists for partonic energy loss due to interaction with the hot, dense medium created in ultra-relativistic heavy-ion collisions. A primary signal of this energy loss is the suppression of high transverse momentum…

Nuclear Theory · Physics 2026-04-10 Ian Gill , Ryan J. Hamilton , Helen Caines

The relativistic diffusion process of heavy quarks is formulated on the basis of the relativistic Langevin equation in It\^{o} discretization scheme. The drag force inside the quark-gluon plasma (QGP) is parametrized according to the…

High Energy Physics - Phenomenology · Physics 2009-08-03 Yukinao Akamatsu , Tetsuo Hatsuda , Tetsufumi Hirano

We propose an empirical model to determine the form of energy loss of charm quarks due to multiple scatterings in quark gluon plasma by demanding a good description of production of D mesons and non-photonic electrons in relativistic…

Nuclear Theory · Physics 2015-06-04 Mohammed Younus , Dinesh K. Srivastava

We investigate the thermalization of charm quarks in high energy heavy ion collisions. To this end, we calculate the diffusion coefficient in the perturbative Quark Gluon Plasma and relate it to collisional energy loss and momentum…

High Energy Physics - Phenomenology · Physics 2009-11-10 Guy D. Moore , Derek Teaney

We discuss recent developments in assessing heavy-quark interaction in the Quark-Gluon Plasma (QGP). While induced gluon radiation is expected to be the main energy-loss mechanism for fast-moving quarks, we focus on elastic scattering which…

High Energy Physics - Phenomenology · Physics 2009-11-11 R. Rapp , H. van Hees
‹ Prev 1 2 3 10 Next ›