Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2011-07-13
Physics
Nuclear Physics
Nuclear Theory
4 pages, 4 figures
Scientific paper
An expanding fireball model with two freeze-outs, which assumes that the chemical freeze-out occurs earlier at higher temperature and the thermal freeze-out occurs later at lower temperature, is developed and successfully applied to fit simultaneously the hadron ratios, transverse momentum spectra of measured hadrons and rapidity distribution of charged hadrons measured in Au+Au collision at 200 A$\cdot$GeV by STAR, PHENIX and PHOBOS collaborations. The quality of all the fittings is very good and the resulting parameters are in agreement with published values.
Choi Suk
Lee Kang Seog
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