$R_{AA}$ and $v_n$: relativistic transport approach for charm and bottom quarks toward a more solid phenomenological determination of $D_s(T)$
S. Plumari*, M.L. Sambataro, V. Minissale, G. Parisi and V. Greco
*: corresponding author
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Pre-published on: December 17, 2024
Published on: April 29, 2025
Abstract
Quasi-Particle Model (QPM) has provided a good description of the main features of lattice QCD (lQCD) and it play a key for studying heavy quark (HQ) dynamics in ultra-relativistic heavy-ion collisions. It can provide a phenomenological estimation of the HQ diffusion coefficient, $D_s(T)$. In this paper, we investigate the bottom quark dynamics within an event-by-event full Boltzmann transport approach coupled with QPM and followed by a hybrid hadronization via coalescence plus fragmentation. Within this approach we provide predictions for $R_{AA}$ and $v_{2}$ of B mesons.
Finally, we introduce an extension of QPM, where quark and gluon masses depend on their momentum inspired by Dyson-Schwinger studies and converging toward the current quark mass at high momenta. This extended model denoted as QPMp, successfully provides a simultaneous quantitative description of both the Equation of State (EoS) and quark susceptibilities.
DOI: https://doi.org/10.22323/1.476.0625
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