QGP phase transition and multiplicity fluctuations

被引：10

作者：

Yang, CB

Wang, XR

Cai, X

机构：

[1] Institute of Particle Physics, Huazhong Normal University

来源：

SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY | 1997年 / 40卷 / 10期

关键词：

Ginzburg-Landau model; phase transitions; scaled factorial moments; analytical study;

D O I：

10.1007/BF03182366

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The scaled factorial moments in QGP phase transitions are studied analytically by the extended Ginzburg-Landau model. The dependence of lnF(q) on phase space interval is different for the first-and second-order QGP phase transitions. When lnF(q) are fitted to polynomials of X drop delta(1/3), the relative sign between the fitted coefficients of X and b(q,1) calculated theoretically can be used to judge the order of phase transitions. Two sets of experimental data are reanalysed and the phase transitions are the first order for one set of data I,ut the second order for another.

引用

页码：1065 / 1072

页数：8

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