Equations of state based on recent lattice QCD results at vanishing net-baryon density

被引：0

作者：

Alba, P. ^{[1
,2
]}

Alberico, W. ^{[1
,2
]}

Beraudo, A. ^{[3
]}

Bluhm, M. ^{[4
]}

Ratti, C. ^{[1
,2
]}

机构：

[1] Univ Turin, Dipartimento Fis, Via Giuria 1, I-10125 Turin, Italy

[2] INFN, Sez Torino, I-10125 Turin, Italy

[3] CERN, Phys Dept Theory Unit, CH-1211 Geneva, Switzerland

[4] North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

来源：

XIV CONFERENCE ON THEORETICAL NUCLEAR PHYSICS IN ITALY | 2014年 / 527卷

关键词：

MODEL;

D O I：

10.1088/1742-6596/527/1/012014

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We calculate various equations of state for QCD matter at vanishing net-baryon density starting from recent lattice QCD results at high temperatures, going to low temperatures using a hadron resonance gas (HRG) model to describe the confined phase. In order to have a better description of the experimental situation we use an implementation of the HRG model that allows the system to switch, after the chemical freeze-out, to a situation of partial chemical equilibrium. We explore the possibility of different freeze-out temperatures. Our results can be used in the hydrodynamic modeling of relativistic heavy-ion collisions at the LHC and at the highest RHIC beam energies.

引用

页数：6

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