Chemical freeze-out and the QCD phase transition temperature

被引：190

作者：

Braun-Munzinger, P ^{[1
]}

Stachel, J

Wetterich, C

机构：

[1] GSI Darmstadt, Darmstadt, Germany

[2] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany

[3] Heidelberg Univ, Inst Theoret Phys, D-6900 Heidelberg, Germany

来源：

PHYSICS LETTERS B | 2004年 / 596卷 / 1-2期

关键词：

D O I：

10.1016/j.physletb.2004.05.081

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We argue that hadron multiplicities in central high energy nucleus-nucleus collisions are established very close to the phase boundary between hadronic and quark matter. In the hadronic picture this can be described by multi-particle collisions whose importance is strongly enhanced due to the high particle density in the phase transition region. As a consequence of the rapid fall-off of the multi-particle scattering rates the experimentally determined chemical freeze-out temperature is a good measure of the phase transition temperature. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：61 / 69

页数：9

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