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The centrality dependence of : the ideal hydro limit and

โœ Scribed by H. Masui; J.-Y. Ollitrault; R. Snellings; A. Tang


Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
324 KB
Volume
830
Category
Article
ISSN
0375-9474

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โœฆ Synopsis


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 v 2 scaled by the spatial eccentricity ฮต. We show by comparing to viscous hydrodynamical calculations that these two parameters are in good approximation proportional to the shear viscosity over entropy ratio ฮท/s and the ideal hydro limit of the ratio v 2 /ฮต.


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