2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/192143The anomalous J/psi suppression in Pb-Pb collisions at 158A GeV observed recently by NA50 can be explained as due to the transition to a new phase of strong J/psi absorption, which sets in when the local energy density exceeds about 3.4 GeV/fm**3.4 pages (REVTeX), includes 3 eps figures; revised to update resultsHigh Energy Physics - PhenomenologyNuclear Theorytext