Evidence for low freeze-out temperature and large transverse flow in central collisions of Pb + Pb at 158 AGeV
msra(1996)
摘要
Utilizing a hydrodynamical model for the freeze-out stage in heavy-ion
reactions, we extract from resolved transverse hadron spectra at midrapidity an
inverse slope parameter (temperature) $T_{Pb} =$ 120 MeV and an averaged
transverse flow velocity $v_{\perp Pb}^{aver} =$ 0.43 c in central collisions
of Pb + Pb at 158 AGeV.
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关键词
high energy physics,flow velocity
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