2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41788Modification of the particles in the course of the source evolution is considered. Influence of this effect on multiplicities and correlations of the particles is displayed, including an enhancement of the production rates and identical particle correlations and also back-to-back particle-antiparticle correlations.(11 pages, Latex, 0 Figs, Third Sakharov Conf.,Moscow, June 2002)High Energy Physics - Phenomenologytext