FLUCTUATION OF THE INITIAL CONDITIONS AND ITS CONSEQUENCES ON SOME OBSERVABLES

被引：0

作者：

Hama, Y. ^{[1
]}

Andrade, R. P. G. ^{[1
]}

Grassi, F. ^{[1
]}

Qian, W. -L. ^{[1
]}

Kodama, T. ^{[2
]}

机构：

[1] Univ Sao Paulo, Inst Fis, BR-05314970 Sao Paulo, Brazil

[2] Univ Fed Rio de Janeiro, Inst Fis, BR-21945970 Rio de Janeiro, Brazil

来源：

ACTA PHYSICA POLONICA B | 2009年 / 40卷 / 04期

关键词：

ELLIPTIC-FLOW FLUCTUATIONS; SMOOTHED PARTICLE HYDRODYNAMICS; COLLISIONS;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show effects of the event-by-event fluctuation of the initial conditions (IC) in hydrodynamic description of high-energy nuclear collisions on some observables. Such IC produce not only fluctuations in observables but, due to their bumpy structure, several non-trivial effects appear. They enhance production of isotropically distributed high-p(T) particles, making upsilon(2) smaller there. Also, they reduce upsilon(2) in the forward and backward regions where the global matter density is smaller, so where such effects become more efficacious. They may also produce the so-called ridge effect in the two large-p(T) particle correlation.

引用

页码：931 / 936

页数：6

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