2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/194498The 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.6 pages, 4 figures, extended version, accepted for publication in Phys. Rev. CHigh Energy Physics - PhenomenologyNuclear Theorytext