2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41197The evolution of a hadronic system after its chemical decomposition is described through a model that conserves the hadronic multiplicities to their values at chemical freeze-out. The state of the system is found as function of temperature and the corresponding baryon density is evaluated. The baryon density at thermal decoupling is also computed.revised versionHigh Energy Physics - Phenomenologytext