A universal description for the freezeout parameters in heavy-ion collisions

被引：44
|
作者：
Tawfik, A [1 ]
机构：
[1] Univ Bielefeld, D-33501 Bielefeld, Germany
来源：
NUCLEAR PHYSICS A | 2006年 / 764卷
关键词：
D O I：
10.1016/j.nuclphysa.2005.09.005
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
It is shown that the freezeout parameters estimated in the heavy-ion collisions all are well described by a constant value of the entropy density s divided by T(3). The value of s/T(3) has been taken front the lattice QCD simulations at zero baryo-chemical potential mu(B) and assumed to remain constant for finite mu(B). This implies that the hadronic matter in rest frame of produced system can he determined by constant degrees of freedom. Furthermore, this condition has been used to predict the freezeout parameters at low temperatures. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：387 / 392
页数：6
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