Chemical fluctuations in high-energy nuclear collisions

被引：44
|
作者：
Mrowczynski, S
机构：
[1] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland
[2] Jan Kochanowski Univ Humanities & Sci, Inst Phys, PL-25406 Kielce, Poland
来源：
PHYSICS LETTERS B | 1999年 / 459卷 / 1-3期
关键词：
relativistic heavy-ion collisions; fluctuations; thermal model;
D O I：
10.1016/S0370-2693(99)00663-2
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Fluctuations of the chemical composition of the hadronic system produced in nuclear collisions are discussed using the Phi-measure which has been earlier applied to study the transverse momentum fluctuations. The measure is expressed through the moments of the multiplicity distribution and then the properties of Phi are discussed within a few models of multiparticle production. A special attention is paid to the fluctuations in the equilibrium ideal quantum gas. The system of kaons and pions, which is particularly interesting from the experimental point of view, is discussed in detail. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：13 / 20
页数：8
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