arXiv:1111.6935·v1·High Energy Physics — Phenomenology
On the Origin of the Trigger-Angle Dependence of the Ridge Structure
Yogiro Hama (1) · Rone P.G. Andrade (1) · Frederique Grassi (1) · Wei-Liang Qian (2) ((1) Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo, Brazil, (2) Departamento de Fisica, Universidade Federal de Ouro Preto, Ouro Preto-MG, Brazil)
Abstract
The origin of the trigger-angle dependence of the ridge structure in two-hadron long-range correlations, as observed at RHIC, is discussed as due to an interplay between the elliptic flow caused by the initial state global geometry and flow produced by fluctuations.
Comments: 4 pages, 4 figures, prepared for ISMD 2011 Proceedings