2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43582We discuss the energy loss effects on single prompt photon production in heavy-ion collisions at RHIC and LHC energy. The production of correlated photon pairs at the LHC is also considered.4 pages, 3 figures. Proceedings XXXIX Rencontres de Moriond on QCD and High Energy Hadronic Interactions, La Thuile (Italy), April 2004High Energy Physics - Phenomenologytext