Tomography of a quark gluon plasma at RHIC and LHC energies

Abstract

Using the recently published model for the collisional energy loss of heavy quarks (Q) in a Quark Gluon Plasma (QGP), based on perturbative QCD (pQCD) with a running coupling constant, we study the interaction between heavy quarks and plasma particles in detail. We discuss correlations between the simultaneously produced $c$ and $\bar{c}$ quarks, study how central collisions can be experimentally selected, predict observable correlations and extend our model to the energy domain of the large hadron collider (LHC). We finally compare the predictions of our model with that of other approaches like AdS/CFT.

details about coalescence added, accepted by PRC

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• Elastic and radiative heavy quark interactions in ultra-relativistic heavy-ion collisions
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