Thermal and Hadrochemical Equilibration in Nucleus-Nucleus Collisions at the SPS

Braun-Munzinger, P.; Stachel, J.; Wessels, J. P.; Xu, N.

doi:10.1016/0370-2693(95)01258-3

arXiv 1995-08-10 DOI 10.1016/0370-2693(95)01258-3 0 مشاهدة

Thermal and Hadrochemical Equilibration in Nucleus-Nucleus Collisions at the SPS

Braun-Munzinger, P. · Stachel, J. · Wessels, J. P. · Xu, N.

Nuclear Theory

الأصل · EN

The currently available set of hadron abundances at the SPS for central S+Au(W,Pb) collisions is compared to predictions from a scenario assuming local thermal and hadrochemical equilibrium. The data are consistent with a freeze-out temperature T = 160-170 MeV. Spectra are consistent with this temperature range and a moderate transverse expansion. The freeze-out points at the AGS and SPS are found to be close to the phase boundary between a hadron gas and an ideal quark-gluon phase.

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