Centrality dependence of elliptic flow and QGP viscosity
Nov, 2009Citations per year
Abstract: (arXiv)
In the Israel-Stewart's theory of second order hydrodynamics, we have analysed the recent PHENIX data on charged particles elliptic flow in Au+Au collisions. PHENIX data demand more viscous fluid in peripheral collisions than in central collisions. Over a broad range of collision centrality (0-10%- 50-60%), viscosity to entropy ratio (η/s) varies between 0-0.17.Note:
- Final version to be publiashed in J. Phys. G. 8 pages, 6 figures and 3 tables
- 47.75.+f
- 25.75.Ld
- 25.75.-q
- viscosity
- elliptic flow
- entropy: density
- PHENIX
- hydrodynamics
- PHOBOS
- heavy ion: scattering
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Figures(6)
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