2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/203871We evaluate the nuclear suppression factor, $R_{AA}(p_T)$ for light hadrons by taking into account the collisional energy loss. We show that in the measured $p_T$ domain of RHIC the elastic process is the dominant mechanism for the partonic energy loss.4 pages with 3 figures, Quark Matter 2008 ProceedingsNuclear Theorytext