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

doi:10.1016/j.physletb.2011.09.075

	Evolution of the differential transverse momentum correlation function with centrality in Au plus Au collisions at root s(NN)=200 GeV
	Agakishiev, G.1; Aggarwal, M. M.2; Ahammed, Z.3; Alakhverdyants, A. V.1; Alekseev, I.4; Alford, J.5; Anderson, B. D.5; Anson, C. D.6; Arkhipkin, D.7; Averichev, G. S.1
刊名	PHYSICS LETTERS B
	2011-10-25
卷号	704 页码:467-473
关键词	Azimuthal correlations QGP Heavy ion collisions
ISSN号	0370-2693
DOI	10.1016/j.physletb.2011.09.075
英文摘要	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.
资助项目	RHIC Operations Group ; RCF at BNL ; NERSC Center at LBNL ; Open Science Grid consortium ; Offices of NP and HEP within the U.S. DOE Office of Science ; U.S. NSF ; Sloan Foundation ; DFG cluster of excellence 'Origin and Structure of the Universe' of Germany ; CNRS/IN2P3 ; STFC ; EPSRC of the United Kingdom ; FAPESP CNPq of Brazil ; Ministry of Ed. and Sci. of the Russian Federation ; NNSFC ; CAS ; MoST ; MoE of China ; GA ; MSMT of the Czech Republic, ; FOM ; NWO of the Netherlands ; DAE ; DST ; CSIR of India ; Polish Ministry of Sci. and Higher Ed. ; Korea Research Foundation ; Ministry of Sci., Ed. and Sports of the Rep. Of Croatia ; Russian Ministry of Sci. and Tech, and RosAtom of Russia
WOS关键词	ELLIPTIC FLOW ; VISCOSITY
WOS研究方向	Physics
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000296549200011
资助机构	RHIC Operations Group ; RCF at BNL ; NERSC Center at LBNL ; Open Science Grid consortium ; Offices of NP and HEP within the U.S. DOE Office of Science ; U.S. NSF ; Sloan Foundation ; DFG cluster of excellence 'Origin and Structure of the Universe' of Germany ; CNRS/IN2P3 ; STFC ; EPSRC of the United Kingdom ; FAPESP CNPq of Brazil ; Ministry of Ed. and Sci. of the Russian Federation ; NNSFC ; CAS ; MoST ; MoE of China ; GA ; MSMT of the Czech Republic, ; FOM ; NWO of the Netherlands ; DAE ; DST ; CSIR of India ; Polish Ministry of Sci. and Higher Ed. ; Korea Research Foundation ; Ministry of Sci., Ed. and Sports of the Rep. Of Croatia ; Russian Ministry of Sci. and Tech, and RosAtom of Russia
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/33767]
专题	中国科学院近代物理研究所
通讯作者	Sharma, M.
作者单位	1.Joint Inst Nucl Res, Dubna 141980, Russia 2.Panjab Univ, Chandigarh 160014, India 3.Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA 4.Alikhanov Inst Theoret & Expt Phys, Moscow, Russia 5.Kent State Univ, Kent, OH 44242 USA 6.Ohio State Univ, Columbus, OH 43210 USA 7.Brookhaven Natl Lab, Upton, NY 11973 USA 8.MIT, Cambridge, MA 02139 USA 9.Indian Inst Technol, Mumbai 400076, Maharashtra, India 10.Univ Houston, Houston, TX 77204 USA
推荐引用方式 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,2011,704:467-473.
APA	Agakishiev, G..,Aggarwal, M. M..,Ahammed, Z..,Alakhverdyants, A. V..,Alekseev, I..,...&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,704,467-473.
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(2011):467-473.