Quark Mass Dependence of Heavy Quark Diffusion Coefficient from Lattice QCD

Abstract

We present the first study of the quark mass dependence of the heavy quark momentum and spatial diffusion coefficients using lattice QCD with light dynamical quarks corresponding to a pion mass of 320 MeV. We find that, for the temperature range 195 MeV $<T<$ 293 MeV, the spatial diffusion coefficients of the charm and bottom quarks are smaller than those obtained in phenomenological models that describe the $p_T$ spectra and elliptic flow of open heavy flavor hadrons.

15 pages, 12 figures

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• Lattice $B$-field correlators for heavy quarks
• Temperature Dependence of Heavy Quark Diffusion from (2+1)-flavor Lattice QCD
• Off-lightcone Wilson-line operators in gradient flow
• Formation, dissociation and regeneration of charmonia within microscopic Langevin simulations
• Dynamics of Heavy Quarks in Strongly Coupled $\mathcal{N}=4$ SYM Plasma
• Nonperturbative heavy quark diffusion coefficients in a weakly magnetized thermal QCD medium
• Probing the mass effect of heavy quark jets in high-energy nuclear collisions
• Nonperturbative Heavy-Flavor Transport Approach for Hot QCD Matter
• Heavy quark suppression and anisotropic flow at intermediate momentum
• Finite Temperature Quarkonia Spectral Functions in the Pseudoscalar Channel
• Production of leptons from decay of heavy-flavor hadrons in high-energy nuclear collisions
• Directed flow of D and B mesons in an electrically and chirally conductive QGP at LHC energies
• Perturbative and nonperturbative properties of heavy quark transport in a thermal SU(3) gluon plasma
• Universal Equilibration Condition for Heavy Quarks
• Non-perturbative heavy quark diffusion coefficients in arbitrarily magnetized quark-gluon plasma