Quark Mass Dependence of Heavy Quark Diffusion Coefficient from Lattice QCD

Altenkort, Luis; de la Cruz, David; Kaczmarek, Olaf; Larsen, Rasmus; Moore, Guy D.; Mukherjee, Swagato; Petreczky, Peter; Shu, Hai-Tao; Stendebach, Simon

doi:10.1103/PhysRevLett.132.051902

Title: Quark Mass Dependence of Heavy Quark Diffusion Coefficient from Lattice QCD

Journal Article · Thu Feb 01 00:00:00 EST 2024 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.132.051902· OSTI ID:2283603

; de la Cruz, David;

; Larsen, Rasmus;

;

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 _pT spectra and elliptic flow of open heavy flavor hadrons.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)

Sponsoring Organization:: USDOE Office of Nuclear Energy (NE); USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR). Scientific Discovery through Advanced Computing (SciDAC)

Contributing Organization:: HotQCD Collaboration

Grant/Contract Number:: SC0012704; AC05-00OR22725; AC02- 05CH11231; AC02-05CH11231

OSTI ID:: 2283603

Alternate ID(s):: OSTI ID: 2324879

Report Number(s):: BNL-225388-2024-JAAM; PRLTAO; 051902

Journal Information:: Physical Review Letters, Journal Name: Physical Review Letters Vol. 132 Journal Issue: 5; ISSN 0031-9007

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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