Hadron spectra and elliptic flow for 200 A GeV Au+Au collisions from viscous hydrodynamics coupled to a Boltzmann cascade

Journal Article · Sun May 15 00:00:00 EDT 2011 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PHYSREVC.83.054910· OSTI ID:21502503

Huichao, Song ^[1]; Bass, Steffen A ^[2]; Heinz, Ulrich; Chun, Shen ^[3]; Hirano, Tetsufumi ^[1]

---

1. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720 (United States)
2. Department of Physics, Duke University, Durham, North Carolina 27708 (United States)
3. Department of Physics, Ohio State University, Columbus, Ohio 43210 (United States)

It is shown that the recently developed hybrid code VISHNU, which couples a relativistic viscous fluid dynamical description of the quark-gluon plasma (QGP) with a microscopic Boltzmann cascade for the late hadronic rescattering stage, yields an excellent description of charged and identified hadron spectra and elliptic flow measured in 200 A GeV Au+Au collisions at the Relativistic Heavy-Ion Collider (RHIC). Using initial conditions that incorporate event-by-event fluctuations in the initial shape and orientation of the collision fireball and values {eta}/s for the specific shear viscosity of the quark-gluon plasma that were recently extracted from the measured centrality dependence of the eccentricity-scaled, p{sub T}-integrated charged hadron elliptic flow v{sub 2,ch}/{epsilon}, we obtain universally good agreement between theory and experiment for the p{sub T} spectra and differential elliptic flow v{sub 2}(p{sub T}) for both pions and protons at all collision centralities.

• OSTI ID: 21502503
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 83, Issue 5; Other Information: DOI: 10.1103/PhysRevC.83.054910; (c) 2011 American Institute of Physics; ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ATOM-ATOM COLLISIONS
BROOKHAVEN RHIC
COLLISIONS
GEV RANGE 100-1000
GOLD
HYDRODYNAMICS
PIONS
PROTONS
QUARK MATTER
RELATIVISTIC RANGE
RESCATTERING
SPECTRA
VISCOSITY
ACCELERATORS
ATOM COLLISIONS
BARYONS
BOSONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FERMIONS
FLUID MECHANICS
GEV RANGE
HADRONS
HEAVY ION ACCELERATORS
MATTER
MECHANICS
MESONS
METALS
NUCLEONS
PSEUDOSCALAR MESONS
SCATTERING
STORAGE RINGS
TRANSITION ELEMENTS