Importance of granular structure in the initial conditions for the elliptic flow

We show the effects of the granular structure of the initial conditions of a hydrodynamic description of high-energy nucleus-nucleus collisions on some observables, especially on the elliptic-flow parameter v2. Such a structure enhances production of isotropically distributed high-pT particles, maki...

Full description

Saved in:
Bibliographic Details
Published inPhysical review letters Vol. 101; no. 11; p. 112301
Main Authors Andrade, R P G, Grassi, F, Hama, Y, Kodama, T, Qian, W L
Format Journal Article
LanguageEnglish
Published United States 12.09.2008
Online AccessGet more information

Cover

More Information
Summary:We show the effects of the granular structure of the initial conditions of a hydrodynamic description of high-energy nucleus-nucleus collisions on some observables, especially on the elliptic-flow parameter v2. Such a structure enhances production of isotropically distributed high-pT particles, making v2 smaller there. Also, it reduces v2 in the forward and backward regions where the global matter density is smaller and, therefore, where such effects become more efficacious.
ISSN:0031-9007
DOI:10.1103/physrevlett.101.112301