Evolution of the differential transverse momentum correlation function with centrality in Au plus Au collisions at root s(NN)=200 GeV

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	Evolution of the differential transverse momentum correlation function with centrality in Au plus Au collisions at root s(NN)=200 GeV
	Agakishiev, G.; Aggarwal, M. M.; Ahammed, Z.; Cai, X. Z.(蔡翔舟）; Chen, H. F.; Chen, J. H.; Chen, J. Y.; Chen, L.; Cheng, J.; Lee, J. H.; Liu, J.; Ma, G. L.（马国亮）; Ma, Y. G.（马余刚）; Zhang, Z. P.; Zhao, F.; Zhao, J.; Zhong, C.; Zhou, W.; Zhu, X.; Zhu, Y. H.; Zoulkarneev, R.; Zoulkarneeva, Y.
	2011
Source Publication	PHYSICS LETTERS B
ISSN	0370-2693
Volume	704 Issue:5 Pages:467
Abstract	We present first measurements of the evolution of the differential transverse momentum correlation function, C, with collision centrality in Au + Au interactions at root s(NN) = 200 GeV. This observable exhibits a strong dependence on collision centrality that is qualitatively similar to that of number correlations previously reported. We use the observed longitudinal broadening of the near-side peak of C with increasing centrality to estimate the ratio of the shear viscosity to entropy density, eta/s, of the matter formed in central Au + Au interactions. We obtain an upper limit estimate of eta/s that suggests that the produced medium has a small viscosity per unit entropy. (C) 2011 Elsevier B.V. All rights reserved.
Indexed By	SCI
Language	英语
Funding Project	应物所项目组
WOS ID	WOS:000296549200011
Citation statistics	Cited Times:22[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.sinap.ac.cn/handle/331007/9509
Collection	中科院上海应用物理研究所2011-2020年
Recommended Citation GB/T 7714	Agakishiev, G.,Aggarwal, M. M.,Ahammed, Z.,et al. Evolution of the differential transverse momentum correlation function with centrality in Au plus Au collisions at root s(NN)=200 GeV[J]. PHYSICS LETTERS B,2011,704(5):467.
APA	Agakishiev, G..,Aggarwal, M. M..,Ahammed, Z..,Cai, X. Z..,Chen, H. F..,...&Zoulkarneeva, Y..(2011).Evolution of the differential transverse momentum correlation function with centrality in Au plus Au collisions at root s(NN)=200 GeV.PHYSICS LETTERS B,704(5),467.
MLA	Agakishiev, G.,et al."Evolution of the differential transverse momentum correlation function with centrality in Au plus Au collisions at root s(NN)=200 GeV".PHYSICS LETTERS B 704.5(2011):467.

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