Charm elliptic flow in Au+Au collisions at RHIC

Details Charm elliptic flow in Au+Au collisions at RHIC Charm elliptic flow in Au+Au collisions at RHIC

2005-09-30

arxiv.org/abs/nucl-th/0509095v1

Nucl.Phys. A774 (2006) 665-668

Physics

Nuclear Physics

Nuclear Theory

contribution to the Quark Matter 2005 proceedings

Scientific paper

10.1016/j.nuclphysa.2006.06.110

Using the perturbative method for the simulation of charmed particles, the dynamical origin of charm quark elliptic flow is studied in the framework of a multi-phase transport (AMPT) model. Besides the expected ordering relative to that of light quarks according to quark masses, charm quark elliptic flow is seen to be sensitive to the parton scattering cross section. To describe the observed large elliptic flow of electrons from the decay of charmed mesons, a charm quark elastic scattering cross section much larger than that estimated from the perturbative QCD is required.

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