Heavy Quark Dynamics in the QGP

Details Heavy Quark Dynamics in the QGP Heavy Quark Dynamics in the QGP

2011-10-18

arxiv.org/abs/1110.4138v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures, Proceedings of EPIC@LHC Workshop, 6-8 July, Bari

Scientific paper

We assess transport properties of heavy quarks in the Quark-Gluon Plasma (QGP) that show a strong non-perturbative behavior. A T-matrix approach based on a potential taken from lattice QCD hints at the presence of heavy-quark (HQ) resonant scattering with an increasing strength as the temperature, $T$, reaches the critical temperature, $T_c \simeq 170 \; \MeV$ for deconfinement from above. The implementation of HQ resonance scattering along with a hadronization via quark coalescence under the conditions of the plasma created in heavy-ion collisions has been shown to correctly describe both the nuclear modification factor, $R_{AA}$, and the elliptic flow, $v_2$, of single electrons at RHIC and have correctly predicted the $R_{AA}$ of D mesons at LHC energy.

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