Third Moments of Conserved Charges as Probes of QCD Phase Structure

被引：210
作者：
Asakawa, Masayuki [1 ]
Ejiri, Shinji [2 ]
Kitazawa, Masakiyo [1 ]
机构：
[1] Osaka Univ, Dept Phys, Osaka 5600043, Japan
[2] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
来源：
PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 26期
关键词：
QUARK-GLUON PLASMA; FLUCTUATIONS; COLLABORATION; PERSPECTIVE; COLLISIONS;
D O I：
10.1103/PhysRevLett.103.262301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The third moments of conserved charges, the baryon and electric charge numbers, and energy, as well as their mixed moments, carry more information on the state around the QCD phase boundary than previously proposed fluctuation observables and higher order moments. In particular, their signs give plenty of information on the location of the state created in relativistic heavy ion collisions in the temperature and baryon chemical potential plane. We demonstrate this with an effective model.
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