2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/83070We confirm the importance of standard medium effects (hadronic rescattering) in heavy-ion collisions by using a pQCD-based model to investigate the dilepton spectra from Pb+Au collisions at 158 GeV/nucleon.10 pages RevTex, incl. 2 postscript figures, submitted to Phys. Rev. CNuclear Theorytext