Article ID Journal Published Year Pages File Type
1837124 Nuclear Physics A 2010 6 Pages PDF
Abstract

Heavy quark jet quenching in high energy nuclear collisions became a decisive tool to distinguish between theories based on Standard Model perturbative QCD and AdS/CFT gravity dual models. The momentum independence and inverse quark mass dependence of the drag coefficient in AdS/CFT differs substantially from the characteristic log(pT/M)/pT variation of the heavy quark drag in QCD, which was obtained from early calculations. The latest pQCD efforts on heavy quark energy loss include color magnetic dynamical effects and final size non-static coherence effects in perturbative quark gluon plasmas and the obtained results are much closer to the experimental data for heavy quarks. We discuss our recent understanding of heavy quark quenching and summarize the measurable quantities to distinguish between the pQCD and AdS/CFT scenarios.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics