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Elastic parton scattering and nonstatistical event-by-event mean-p(t) fluctuations in Au plus Au collisions at root s(NN)=130 and 200 GeV
Liu, QJ; Zhao WQ(赵维勤); Zhao, WQ
2008
发表期刊PHYSICAL REVIEW C
卷号77期号:3页码:34902
通讯作者[Liu, Qing-Jun] Beijing Inst Petrochem Technol, Dept Math & Phys, Beijing 102617, Peoples R China ; [Liu, Qing-Jun ; Zhao, Wei-Qin] CCAST, World Lab, Beijing 100080, Peoples R China ; [Zhao, Wei-Qin] Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要Nonstatistical event-by-event mean-p(t) fluctuations in Au+Au collisions at root s(NN) = 130 and 200 GeV are analyzed in the multiphase transport model (AMPT) with string melting, and the results are compared with STAR data. The analysis suggests that in-medium elastic parton scattering may contribute greatly to the mean-pt fluctuations in relativistic heavy-ion collisions. Furthermore, it is demonstrated that nonstatistical event-by-event mean-p(t) fluctuations can be used to probe the initial partonic dynamics in these collisions. The comparison shows that with an in-medium elastic parton-scattering cross section sigma(p) = 10 mb, AMPT with string melting can well reproduce root s(NN) = 130 GeV data on the centrality dependence of nonstatistical event-by-event mean-p(t) fluctuations. The comparison also shows that the fluctuation data for root s(NN) = 200 GeV Au+Au collisions can be well reproduced with sigma(p) between 6 and 10 mb.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1103/PhysRevC.77.034902
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear
WOS记录号WOS:000254543500042
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240574
专题理论物理室
作者单位中国科学院高能物理研究所
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Liu, QJ,Zhao WQ,Zhao, WQ. Elastic parton scattering and nonstatistical event-by-event mean-p(t) fluctuations in Au plus Au collisions at root s(NN)=130 and 200 GeV[J]. PHYSICAL REVIEW C,2008,77(3):34902.
APA Liu, QJ,赵维勤,&Zhao, WQ.(2008).Elastic parton scattering and nonstatistical event-by-event mean-p(t) fluctuations in Au plus Au collisions at root s(NN)=130 and 200 GeV.PHYSICAL REVIEW C,77(3),34902.
MLA Liu, QJ,et al."Elastic parton scattering and nonstatistical event-by-event mean-p(t) fluctuations in Au plus Au collisions at root s(NN)=130 and 200 GeV".PHYSICAL REVIEW C 77.3(2008):34902.
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