2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40519We compare chemical and thermal analysis of the SPS Pb--Pb results at $158A$ GeV, and present a first chemical analysis of RHIC results. We show how a combined analysis of several strange hadron resonances can be used in a study of freeze-out dynamics.Presented at XXVI Rencotres de Moriond, March 17-24, 2001 Les Arcs, FreanceHigh Energy Physics - Phenomenologytext