Competition of Heavy Quark Radiative and Collisional Energy Loss in Deconfined Matter

Abstract

We extend our recently advanced model on collisional energy loss of heavy quarks in a quark gluon plasma (QGP) by including radiative energy loss. We discuss the approach and present first preliminary results. We show that present data on nuclear modification factor of non photonic single electrons hardly permit to distinguish between those 2 energy loss mechanisms.

8 pages, extended to 11 pages for v2; accepted for publication in Journal of Physics G

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