J/Ψ suppression in colliding nuclei:: Statistical model analysis -: art. no. 044903

被引：6
|
作者：
Prorok, D [1 ]
Turko, L [1 ]
机构：
[1] Univ Wroclaw, Inst Theoret Phys, PL-50204 Wroclaw, Poland
来源：
PHYSICAL REVIEW C | 2001年 / 64卷 / 04期
关键词：
D O I：
10.1103/PhysRevC.64.044903
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：
We consider the J/Psi suppression at a high energy heavy ion collision. An ideal gas of massive hadrons in thermal and chemical equilibrium is formed in the central region. The finite-size gas expands longitudinally in accordance with Bjorken law. The transverse expansion in a form of the rarefaction wave is taken into account. We show that J/Psi suppression in such an environment, when combined with the disintegration in nuclear matter, gives correct evaluation of NA38 and NA50 data in a broad range of initial energy densities.
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页数：11
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