(3+1)D Quasiparticle Anisotropic Hydrodynamics for Ultrarelativistic Heavy-Ion Collisions

被引：63

作者：

Alqahtani, Mubarak ^{[1
]}

Nopoush, Mohammad ^{[1
]}

Ryblewski, Radoslaw ^{[2
]}

Strickland, Michael ^{[1
]}

机构：

[1] Kent State Univ, Dept Phys, Kent, OH 44242 USA

[2] Polish Acad Sci, Inst Nucl Phys, PL-31342 Krakow, Poland

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 119卷 / 04期

关键词：

PB-PB COLLISIONS; ELLIPTIC FLOW; GLUON-PLASMA; VISCOSITY; SYSTEMS;

D O I：

10.1103/PhysRevLett.119.042301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present the first comparisons of experimental data with phenomenological results from (3+1)D quasiparticle anisotropic hydrodynamics (aHydroQP). We compare particle spectra, average transverse momentum, and elliptic flow. The dynamical equations used for the hydrodynamic stage utilize aHydroQP, which naturally includes both shear and bulk viscous effects. The (3+1)D aHydroQP evolution obtained is self-consistently converted to hadrons using anisotropic Cooper-Frye freeze-out. Hadron production and decays are modeled using a customized version of THERMINATOR 2. In this first study, we utilized smooth Glauber-type initial conditions and a single effective freeze-out temperature T-FO = 130 MeV with all hadronic species in full chemical equilibrium. With this rather simple setup, we find a very good description of many heavy-ion observables.

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页数：6

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