2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/190270Results from the analysis of data obtained from the WA98 experiment at the CERN SPS have been presented. Some events have been filtered which show photon excess in limited $η-ϕ$ zones within the overlap region of the charged particle and photon multiplicity detectors.6 pages, 4 figuresHigh Energy Physics - Experimenttext