Equation of state within the EPOS3 model

被引：12
作者：
Stefaniak, Maria [1 ,2 ]
Werner, Klaus [3 ]
Zbroszczyk, Hanna Paulina [4 ]
Jahan, Johannes [5 ]
机构：
[1] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[2] GSI Helmholtzzentrum Schwerionenforsch, Planckstr 1, D-64291 Darmstadt, Germany
[3] Univ Nantes, SUBATECH, IN2P3, CNRS,IMT Atlantique, F-44300 Nantes, France
[4] Warsaw Univ Technol, Fac Phys, Koszykowa 75, PL-00662 Warsaw, Poland
[5] Univ Houston, Dept Phys, Houston, TX 77204 USA
来源：
PHYSICAL REVIEW C | 2023年 / 108卷 / 01期
关键词：
HEAVY-ION COLLISIONS; QCD;
D O I：
10.1103/PhysRevC.108.014905
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Transitions between different states of matter and their thermodynamic properties are described by the Equation of State (EoS). A universal representation of the EoS of quantum chromodynamics for the wide range of phase diagrams has yet to be determined. The expectation of the systems to undergo various types of transitions depending on the temperature (T ), the chemical potential (& mu;B), and other thermodynamic features make solving that puzzle challenging. Furthermore, it needs to be apparent which experimentally measurable observables could provide helpful information for determining EoS. The application of different EoS for hydrodynamical evolution was introduced in the EPOS3 generator, which allows one to study its changing effect on the experimental observables. The family of EoS proposed by the BEST Collaboration was implemented. The critical point location and the strength of criticality variations were investigated with particle yield, transverse momentum spectra, flow, and moments of the net-proton distributions.
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页数：8
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