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Energy gain of heavy quarks by fluctuations in the QGP

Purnendu Chakraborty, Munshi Golam Mustafa, Markus H. Thoma

hep-pharXiv:hep-ph/0611355

Abstract

The collisional energy gain of a heavy quark due to chromo-electromagnetic field fluctuations in a quark-gluon plasma is investigated. The field fluctuations lead to an energy gain of the quark for all temperatures and velocities. The net effect is a reduction of the collisional energy loss by 15-40% for parameters relevant at RHIC energies.

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