We solve the Lindblad equation describing the Brownian motion of a Coulombic heavy quark-antiquark pair in a strongly coupled quark-gluon plasma using the highly efficient Monte Carlo wave-function method. The Lindblad equation has been derived in the framework of pNRQCD and fully accounts for the quantum and non-Abelian nature of the system. The hydrodynamics of the plasma is realistically...
High pT direct photons are electrically and color neutral, produced in
initial hard scattering. By measuring the nuclear modification factor
R_AA in large ion collisions, the neutral property has been confirmed,
as the R_AA of direct photons remains unity, while, in contrast, jet quenching and energy
loss of parent partons are observed for final state hard hadrons. The size
of the...
