A PERCOLATION TRANSITION IN ULTRARELATIVISTIC NUCLEAR COLLISIONS

被引：1
|
作者：
WERNER, K
机构：
[1] Institut für Theoretische Physik, Universität Heidelberg, D-6900 Heidelberg
来源：
NUCLEAR PHYSICS A | 1994年 / 572卷 / 01期
关键词：
D O I：
10.1016/0375-9474(94)90425-1
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：
Models based on Gribov-Regge theory and relativistic strings provide a sophisticated description of ultrarelativistic nuclear collisions. For reasonably heavy nuclei, strings cannot decay independent of each other: string-string interactions have to be taken into account. For this purpose, we introduce a percolation approach, which amounts to forming quark-matter droplets, when string fragments are close in space. Taking the effective nucleon radius as a free parameter, we observe for S + S at 200 GeV a percolation transition close to the physical radius of 0.8 fm.
引用
收藏
页码：141 / 146
页数：6
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