Dey, J.Krein, G.Tomio, L.Frederico, T.2014-05-202014-05-201994-12-01Zeitschrift Fur Physik C-particles and Fields. New York: Springer Verlag, v. 64, n. 4, p. 695-697, 1994.0170-9739http://hdl.handle.net/11449/33512The combined CERN and Brookhaven heavy ion (H.I.) data supports a scenario of hadron gas which is in chemical and thermal equilibrium at a temperature T of about 140 MeV. Using the Brown-Stachel-Welke model (which gives 150 MeV) we show that in this scenario, the hot nucleons have mass 3 pi T and the pi and rho mesons have masses close to pi T and 2 pi T, respectively. A simple model with pions and quarks supports the co-existence of two phases in these heavy ion experiments, suggesting a second order phase transition. The masses of the pion, rho and the nucleon are intriguingly close to the lattice screening masses.695-697engArtigo10.1007/BF01957779WOS:A1994PZ69700012Acesso restrito