2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/181758Using the lattice QCD equation of state for an isentropically expanding fireball we follow the evolution of the effective number of particles in an ideal gas pV/T. This number reduces roughly to its third around the crossover temperature, which helps to circumvent the entropy obstacle inherent in quark coalescence models of the hadronization.5 pages 4 eps figures LaTeXHigh Energy Physics - Phenomenologytext