Hadron production in Pb-Pb collisions at 158A GeV
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A Fermi statistical model analysis of hadron abundances and spectra obtained in several relativistic heavy ion collision experiments is utilized to characterize a particle source. Properties consistent with a disintegrating, hadron evaporating, deconfined quark-gluon plasma phase fireball are obtained, with a baryochemical potential μ_B=200-210MeV, and a temperature T_f\simeq 140-150MeV, significantly below previous expectations.
4 pages in PRL format, including 3 tables; v2- Typos corrected, Comments and one ref added, words added in title, abstract; v3: discussion of pion condensation constraint added (referee request)
4 pages in PRL format, including 3 tables; v2- Typos corrected, Comments and one ref added, words added in title, abstract; v3: discussion of pion condensation constraint added (referee request)