Based on the hadronic transport model of JAM, I calculate the time evolution of particles, density, temperature and energy density for the heavy ion collision at the incident energies of AGS(11A GeV), JHF(25A GeV) and SPS(158A GeV). Microscopic calculations show that resonance matter with extremely large baryon density is created at AGS energy, while at JHF energy, quark matter with extremely large baryon density is suggested. AT SPS energy, quark matterwith large baryon density might be created.
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