Perturbative QCD Calculations of Elliptic Flow and Shear Viscosity in Au+Au Collisions at {radical}(s{sub NN})=200 GeV
Journal Article
·
· Physical Review Letters
- Institut fuer Theoretische Physik, Goethe-Universitaet Frankfurt, Max-von-Laue-Strasse 1, D-60438 Frankfurt am Main (Germany)
The elliptic flow v{sub 2} and the ratio of the shear viscosity over the entropy density, {eta}/s, of gluon matter are calculated from the perturbative QCD (pQCD) based parton cascade Boltzmann approach of multiparton scatterings. For Au+Au collisions at {radical}(s)=200A GeV the gluon plasma generates large v{sub 2} values measured at the BNL Relativistic Heavy Ion Collider. Standard pQCD yields {eta}/s{approx_equal}0.08-0.15 as small as the lower bound found from the anti-de Sitter/conformal field theory conjecture.
- OSTI ID:
- 21134151
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 8 Vol. 101; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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