Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2009-08-04
Nucl.Phys.A830:463c-466c,2009
Physics
Nuclear Physics
Nuclear Experiment
4 pages, 8 figures - To appear in the conference proceedings for Quark Matter 2009, March 30 - April 4, Knoxville, Tennessee -
Scientific paper
10.1016/j.nuclphysa.2009.10.103
The large elliptic flow observed at RHIC is considered to be evidence for almost perfect liquid behavior of the strongly coupled quark-gluon plasma produced in the collisions. In these proceedings we present a two parameter fit for the centrality dependence of the elliptic flow scaled by the spatial eccentricity. We show by comparing to viscous hydrodynamical calculations that these two parameters are in good approximation proportional to the shear viscosity over entropy ratio and the ideal hydro limit of the ratio v2/epsilon.
Masui Hiroki
Ollitrault J-Y.
Snellings Raimond
Tang Aihong
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