Nearly perfect fluid in Au+Au collisions at RHIC
Sep, 2009Citations per year
Abstract: (Elsevier)
In the Israel–Stewart's theory of dissipative hydrodynamics, we have analysed the STAR data on ϕ meson production in Au + Au collisions at s=200 GeV . From a simultaneous fit to ϕ mesons multiplicity, mean pT and integrated v2 , we obtain a phenomenological estimate of QGP viscosity, η/s=0.07±0.03±0.14 , the first error is due to the experimental uncertainty in STAR measurements, the second reflects the uncertainties in initial and final conditions of the fluid.- 47.75.+f
- 25.75.Ld
- 25.75.-q
- meson: multiplicity
- meson: production
- heavy ion: scattering
- fluid: model
- STAR
- Brookhaven RHIC Coll
- hydrodynamics
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Figures(6)
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