Hadronic resonance gas, p{sub T} spectra of charged particles, and elliptic flow in {radical}(s)=200 GeV Au+Au collisions
Journal Article
·
· Physical Review. C, Nuclear Physics
- Variable Energy Cyclotron Centre, 1-AF, Bidhan Nagar, Kolkata-700 064 (India)
Charged particles'p{sub T} spectra and elliptic flow in 0%-60% Au+Au collisions at the Relativistic Heavy Ion Collider are analyzed in a hydrodynamic model with hot hadronic resonance gas (HRG) in the initial state. Physically conceivable HRG, thermalized in the time scale {tau}{sub i}=1 fm, at a (central) temperature T{sub i}=220 MeV, with viscosity-to-entropy ratio {eta}/s=0.24, explains the p{sub T} spectra in all the collision centralities reasonably well. However, centrality dependence of elliptic flow demands continual increase of the viscosity-to-entropy ratio with centrality.
- OSTI ID:
- 21421031
- Journal Information:
- Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 3 Vol. 82; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCELERATORS
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
BROOKHAVEN RHIC
CHARGED PARTICLES
COLLISIONS
DEMAND
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
ENTROPY
GEV RANGE
GEV RANGE 100-1000
GOLD
HADRONS
HEAVY ION ACCELERATORS
HYDRODYNAMIC MODEL
MATHEMATICAL MODELS
METALS
MEV RANGE
MEV RANGE 100-1000
PARTICLE MODELS
PHYSICAL PROPERTIES
RESONANCE
SPECTRA
STATISTICAL MODELS
STORAGE RINGS
TEMPERATURE DEPENDENCE
THERMODYNAMIC MODEL
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENTS
VISCOSITY
ACCELERATORS
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
BROOKHAVEN RHIC
CHARGED PARTICLES
COLLISIONS
DEMAND
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
ENTROPY
GEV RANGE
GEV RANGE 100-1000
GOLD
HADRONS
HEAVY ION ACCELERATORS
HYDRODYNAMIC MODEL
MATHEMATICAL MODELS
METALS
MEV RANGE
MEV RANGE 100-1000
PARTICLE MODELS
PHYSICAL PROPERTIES
RESONANCE
SPECTRA
STATISTICAL MODELS
STORAGE RINGS
TEMPERATURE DEPENDENCE
THERMODYNAMIC MODEL
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENTS
VISCOSITY