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Influence of the Shear Viscosity of the Quark-gluon Plasma on Elliptic Flow in Ultrarelativistic Heavy-ion Collisions by Niemi, Harri; Denicol, Gabriel S.; Huovinen, Pasi; Molnar, Etele; Rischke, Dirk H. is a scholarly article available to read on EtoBox.

What is Influence of the Shear Viscosity of the Quark-gluon Plasma on Elliptic Flow in Ultrarelativistic Heavy-ion Collisions about?

We investigate the influence of a temperature-dependent shear viscosity over entropy density ratio eta/s on the transverse momentum spectra and elliptic flow of hadrons in ultrarelativistic heavy-ion collisions. We find that the elliptic flow in sqrt(s_NN) = 200 GeV Au+Au collisions at RHIC is dominated by the viscosity in the hadronic phase and in the phase transition region, but largely insensitive to the viscosity of the quark-gluon plasma (QGP). At the highest LHC energy, the elliptic flow becomes sensitive to the QGP viscosity and insensitive to the hadronic viscosity.

Author

Niemi, Harri; Denicol, Gabriel S.; Huovinen, Pasi; Molnar, Etele; Rischke, Dirk H.

Published

2011

Language

EN