Elliptic flow and incomplete equilibration

Journal Article · Mon Jun 15 04:00:00 EDT 2009 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PHYSREVC.79.064905· OSTI ID:21289938

Liu, J L; Feng, Q C; Wang, Q S; Tang, G X; Zhang, J B; Huo, L ^[1]

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1. Department of Physics, Harbin Institute of Technology, Harbin 150001 (China)

The dependence of eccentricity scaled elliptic flow on the partonic cross section in Au+Au collisions at relativistic heavy ion collider (RHIC) energy {radical}(s{sub NN})=200 GeV with impact parameter b=8 fm is analyzed using a multiphase transport (AMPT) model. It is shown that the dependence of eccentricity scaled elliptic flow on the partonic cross section could be described well by a formula suggested by Bhalerao et al. The eccentricity scaled elliptic flow of the parton is 19%{approx}27% lower than its 'hydrodynamic limit.' The hadronization of the parton through coalescence and hadronic dynamics (decay, collision) could influence the obtained deviation of eccentricity scaled elliptic flow of the hadron from its 'hydrodynamic limit.' The hadronic final state interactions and hadronization reduce the extracted 'hydrodynamic limit' by 20% and also reduce the deviation from the 'hydrodynamic limit' by 26%.

• OSTI ID: 21289938
• Journal Information: Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 6 Vol. 79; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ATOM-ATOM COLLISIONS
BORON 8
BROOKHAVEN RHIC
COALESCENCE
COLLISIONS
CROSS SECTIONS
FINAL-STATE INTERACTIONS
GEV RANGE 100-1000
GOLD
HADRONS
HEAVY ION REACTIONS
IMPACT PARAMETER
RELATIVISTIC RANGE