T Hirano et al 2007 J. Phys. G: Nucl. Part. Phys. 34 S879 doi:10.1088/0954-3899/34/8/S117
Elliptic flow from a hybrid CGC, full 3D hydro and hadronic cascade model
T Hirano1, U Heinz2, D Kharzeev3, R Lacey4 and Y Nara5
Show affiliationsWe investigate the robustness of the discovery of the perfect fluid through comparison of hydrodynamic calculations with the elliptic flow coefficient v2 at midrapidity in Au+Au collisions at 
. Employing the Glauber model for initial entropy density distributions, the centrality dependence of v2 is reasonably reproduced by using an ideal fluid description of the early QGP stage followed by a hadronic cascade in the late hadronic stage. On the other hand, initial conditions based on the colour glass condensate model are found to generate larger elliptic flow due to larger initial eccentricity ε. We further predict v2/ε at a fixed impact parameter as a function of collision energy 
up to the LHC energy.
- PACS
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25.75.Nq Quark deconfinement, quark–gluon plasma production, and phase transitions
24.60.-k Statistical theory and fluctuations
24.10.Ht Optical and diffraction models
27.80.+w 190(less-than-or-equal-to)A(less-than-or-equal-to)219
- Subjects
- Dates
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Issue 8 (August 2007)
Received 25 January 2007
Published 16 July 2007
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Elliptic flow from a hybrid CGC, full 3D hydro and hadronic cascade model
T Hirano et al 2007 J. Phys. G: Nucl. Part. Phys. 34 S879
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