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Zhao, AM; Shi, YM; Li, JF; Zong, HS; Zhao, AM (reprint author), Southeast Univ, Dept Fdn, Chengxian Coll, Nanjing 210088, Jiangsu, Peoples R China.
QCD equation of state for heavy ion collisions
Source PublicationCHINESE PHYSICS C
Language英语
KeywordHeavy Ion collisIons Equation Of State Multiplicity Elliptic Flow Cjt Effective Action
AbstractIn this work, we calculate the equation of state (EoS) of quark gluon-plasma (QGP) using the Cornwall-Jackiw- Tomboulis (CJT) effective action. We get the quark propagator by using the rank-1 separable model within the framework of the Dyson-Schwinger equations (DSEs). The results from CJT effective action are compared with lattice QCD data. We find that, when mu is small, our results generally fit the lattice QCD data when T > T-c, but show deviations at and below T-c. It can be concluded that the EoS of CJT is reliable when T > T-c. Then, by adopting the hydrodynamic code UVH2+1, we compare the CJT results of the multiplicity and elliptic flow v(2) with the PHENIX data and the results from the original EoS in UVH2+1. While the CJT results of multiplicities generally match the original UVH2+1 results and fit the experimental data, the CJT results of v(2) are slightly larger than the original UVH2+1 results for centralities smaller than 40% and smaller than the original UVH2+1 results for higher centralities.
2017
Volume41Issue:10Pages:103101
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1088/1674-1137/41/10/103101
Funding OrganizationNational Natural Science Foundation of China [11447121, 11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11447121, 11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11447121, 11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11447121, 11475085, 11535005, 11690030] ; Fundamental Research Funds for the Central Universities [020414380074] ; Fundamental Research Funds for the Central Universities [020414380074] ; Fundamental Research Funds for the Central Universities [020414380074] ; Fundamental Research Funds for the Central Universities [020414380074] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1501035B] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1501035B] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1501035B] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1501035B] ; Natural Science Foundation of Jiangsu Province [BK20130078, BK20130387] ; Natural Science Foundation of Jiangsu Province [BK20130078, BK20130387] ; Natural Science Foundation of Jiangsu Province [BK20130078, BK20130387] ; Natural Science Foundation of Jiangsu Province [BK20130078, BK20130387]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21957
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhao, AM (reprint author), Southeast Univ, Dept Fdn, Chengxian Coll, Nanjing 210088, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Zhao, AM,Shi, YM,Li, JF,et al. QCD equation of state for heavy ion collisions[J]. CHINESE PHYSICS C,2017,41(10):103101.
APA Zhao, AM,Shi, YM,Li, JF,Zong, HS,&Zhao, AM .(2017).QCD equation of state for heavy ion collisions.CHINESE PHYSICS C,41(10),103101.
MLA Zhao, AM,et al."QCD equation of state for heavy ion collisions".CHINESE PHYSICS C 41.10(2017):103101.
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