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Baryon number fluctuations in quasi-particle model
Zhao, Ameng1; Luo, Xiaofeng2; Zong, Hongshi3,4,5
2017-04-01
Source PublicationEUROPEAN PHYSICAL JOURNAL C
ISSN1434-6044
Volume77Issue:4Pages:7
Corresponding AuthorZhao, Ameng(zhaoameng@cxxy.seu.edu.cn)
AbstractBaryon number fluctuations are sensitive to the QCD phase transition and the QCD critical point. According to the Feynman rules of finite-temperature field theory, we calculated various order moments and cumulants of the baryon number distributions in the quasi-particle model of the quark-gluon plasma. Furthermore, we compared our results with the experimental data measured by the STAR experiment at RHIC. It is found that the experimental data can be well described by the model for the colliding energies above 30 GeV and show large discrepancies at low energies. This puts a new constraint on the qQGP model and also provides a baseline for the QCD critical point search in heavy-ion collisions at low energies.
DOI10.1140/epjc/s10052-017-4784-y
WOS KeywordEQUATION-OF-STATE ; GLUON PLASMA ; QCD
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
WOS IDWOS:000411281100001
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22707
Collection中国科学院紫金山天文台
Corresponding AuthorZhao, Ameng
Affiliation1.Southeast Univ, Chengxian Coll, Dept Fdn, Nanjing 210088, Jiangsu, Peoples R China
2.Cent China Normal Univ, Inst Particle Phys, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China
3.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
4.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
5.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Ameng,Luo, Xiaofeng,Zong, Hongshi. Baryon number fluctuations in quasi-particle model[J]. EUROPEAN PHYSICAL JOURNAL C,2017,77(4):7.
APA Zhao, Ameng,Luo, Xiaofeng,&Zong, Hongshi.(2017).Baryon number fluctuations in quasi-particle model.EUROPEAN PHYSICAL JOURNAL C,77(4),7.
MLA Zhao, Ameng,et al."Baryon number fluctuations in quasi-particle model".EUROPEAN PHYSICAL JOURNAL C 77.4(2017):7.
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