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Quark Mass Dependence of Heavy Quark Diffusion Coefficient from Lattice QCD
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Quark Mass Dependence of Heavy Quark Diffusion Coefficient from Lattice QCD
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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.
Forward citations
Cited by 9 Pith papers
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Momentum Dependence of Heavy Quark Diffusion in a Thermal Gluonic Plasma on the Lattice
Lattice simulations of a 3D effective gluonic plasma theory produce the first reported momentum dependence of heavy quark drag and diffusion coefficients in a non-perturbative non-Abelian thermal medium.
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Momentum Dependence of Heavy Quark Diffusion in a Thermal Gluonic Plasma on the Lattice
A lattice QCD method is proposed to compute the momentum dependence of heavy quark drag and diffusion coefficients in a thermal gluonic plasma.
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Heavy Quark Transport is Non-Gaussian Beyond Leading Log
Heavy-quark momentum transfer beyond leading logarithm in weak-coupling plasmas is non-Gaussian with asymmetric exponential tails, matching the structure seen in strongly coupled holographic plasmas.
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Coupled charm and charmonium transport in a strongly coupled quark-gluon plasma
A unified T-matrix transport framework for charm-quark diffusion and charmonium kinetics with off-shell spectral functions recovers the statistical equilibrium limit and gives fair LHC charmonium R_AA data.
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Bayesian Inference of Heavy-Quark Dissipation and Jet Transport Parameters from D-Meson observables in heavy-ion collisions at the LHC energies
First simultaneous Bayesian extraction of 2πT D_s and q-hat/T^3 from D-meson R_AA and v2 at 5.02 TeV, yielding a non-monotonic temperature dependence in their ratio that deviates from the expected value of 2.
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Out-of-equilibrium contributions to charm hadrons in a fluid-dynamic approach
Out-of-equilibrium corrections at initialization and freeze-out make computed charm-hadron yields independent of the charm diffusion coefficient and define the reliable transverse-momentum range.
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Non-equilibrium Dynamical Attractors and Thermalisation of Charm Quarks in Nuclear Collisions at the LHC Energy
Charm quarks develop dynamical attractors in expanding QGP but with lattice-QCD diffusion coefficients require ~5 fm to relax, leading to O(1) deviations from equilibrium already at pT ~ 3 GeV and incomplete thermaliz...
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Perturbative and nonperturbative properties of heavy quark transport in a thermal SU(3) gluon plasma
In a gluon plasma near Tc, a temperature-dependent background color field suppresses heavy-quark collisional energy loss and momentum diffusion relative to perturbative QCD.
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Bottomonium transport in a strongly coupled quark-gluon plasma
A semiclassical transport model using lattice-constrained T-matrix rates and viscous hydrodynamics reproduces the centrality dependence of bottomonium yields in 5.02 TeV Pb-Pb collisions within uncertainties.
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