RELATING ECCENTRICITY FLUCTUATIONS TO DENSITY FLUCTUATIONS IN HEAVY-ION COLLISIONS

被引：8

作者：

Bhalerao, Rajeev S. ^{[1
]}

Giacalone, Giuliano ^{[2
]}

Guerrero-Rodriguez, Pablo ^{[3
,4
]}

Luzum, Matthew ^{[5
]}

Marquet, Cyrille ^{[6
]}

Ollitrault, Jean-Yves ^{[2
]}

机构：

[1] IISER, Dept Phys, Homi Bhabha Rd, Pune 411008, Maharashtra, India

[2] Univ Paris Saclay, CNRS, CEA, Inst Phys Theor, F-91191 Gif Sur Yvette, France

[3] Univ Granada, CAFPE, Campus Fuentenueva, E-18071 Granada, Spain

[4] Univ Granada, Dept Fis Teor & Cosmos, Campus Fuentenueva, E-18071 Granada, Spain

[5] Univ Sao Paulo, Inst Fis, CP 66318, BR-05315970 Sao Paulo, Brazil

[6] CNRS, Ecole Polytech, CPHT, Route Saclay, F-91128 Palaiseau, France

来源：

ACTA PHYSICA POLONICA B | 2019年 / 50卷 / 06期

基金：

巴西圣保罗研究基金会;

关键词：

D O I：

10.5506/APhysPolB.50.1165

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The magnitude of anisotropic flow in a nucleus-nucleus collision is determined by the energy-density field, rho(x; y; z), created right after the collision occurs. Specifically, elliptic flow, v(2), and triangular flow, v(3), are proportional to the anisotropy coefficients epsilon(2) and epsilon(3), which are functionals of rho. We express the mean and the variance of epsilon(2) and epsilon(3) as a function of the 1- and 2-point functions of rho. These results generalize results obtained previously that were valid only for central collisions or only for identical point-like sources. We apply them to the color glass condensate effective theory using the recently derived expression of the 2-point function.

引用

页码：1165 / 1176

页数：12

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