2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/185923Ratios of integrated particle yields provide the best method for determining the temperature and the chemical potential. The chemical freeze-out parameters obtained at CERN/SPS, BNL/AGS and GSI/SIS energies all correspond to a unique value of 1 GeV per hadron in the local rest frame of the system, independent of the beam energy and of the target and beam particles.latex, 2 figuresNuclear Theorytext