Temperature dependence of the static quark diffusion coefficient

Abstract

The energy loss pattern of a low momentum heavy quark in a deconfined quark-gluon plasma can be understood in terms of a Langevin description. In thermal equilibrium, the motion can then be parametrized in terms of a single heavy quark momentum diffusion coefficient kappa, which needs to be determined nonperturbatively. In this work, we study the temperature dependence of kappa for a static quark in a gluonic plasma, with a particular emphasis on the temperature range of interest for heavy ion collision experiments.

12 pages, 9 figures. The discussion section and the appendix substantially modified, two figures added, typos fixed

References in corpus (3)

• Heavy Quark Diffusion in Strongly Coupled $\mathbb{N}=4$ Yang Mills
• Toward a solution to the $R_{AA}$ and $v_2$ puzzle for heavy quarks
• Heavy Quark Diffusion from 2+1 Flavor Lattice QCD with 320 MeV Pion Mass

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• Finite Temperature Quarkonia Spectral Functions in the Pseudoscalar Channel
• Production of leptons from decay of heavy-flavor hadrons in high-energy nuclear collisions
• Non-Markovian dynamics of bottomonia in the QGP