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Evolution of the differential transverse momentum correlation function with centrality in Au + Au collisions at sNN=200GeV

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成果类型:
期刊论文
作者:
Agakishiev, G.;Aggarwal, M. M.;Ahammed, Z.;Alakhverdyants, A. V.;Alekseev, I.;...
通讯作者:
Sharma, M.
作者机构:
[Kechechyan, A.; Kizka, V.; Agakishiev, G.; Averichev, G. S.; Bunzarov, I.; Efimov, L. G.; Panebratsev, Y.; Alakhverdyants, A. V.; Shahaliev, E.; Rogachevskiy, O. V.; Fedorisin, J.; Zoulkarneev, R.; Zoulkarneeva, Y.; Tokarev, M.; Sharma, M.; Filip, P.; Lednicky, R.; Dedovich, T. G.; Vokal, S.] Joint Inst Nucl Res, Dubna 141980, Russia.
[Pruthi, N. K.; Bhati, A. K.; Aggarwal, M. M.] Panjab Univ, Chandigarh 160014, India.
[Sakrejda, I.; Xu, N.; Wieman, H.; Masui, H.; Schmah, A. M.; Porter, J.; Sichtermann, E. P.; Naglis, M.; Grebenyuk, O. G.; Sun, X. M.; Ploskon, M. A.; Thomas, J. H.; Poskanzer, A. M.; Ritter, H. G.; Zhang, Y.; Powell, C. B.; Hjort, E.; Jacobs, P.; Kiryluk, J.; Olson, D.; Odyniec, G.; Matis, H. S.; Symons, T. J. M.; Ahammed, Z.; Dong, X.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Koroleva, L.; Svirida, D. N.; Morozov, B.; Bordyuzhin, I. G.; Alekseev, I.] Alikhanov Inst Theoret & Expt Phys, Moscow, Russia.
[Joseph, J.; Vanfossen, J. A., Jr.; Pandit, Y.; Zhang, W. M.; Kumar, L.; Anderson, B. D.; Margetis, S.; Alford, J.; Keane, D.; Bouchet, J.; Subba, N. L.] Kent State Univ, Kent, OH 44242 USA.
通讯机构:
[Sharma, M.] J
Joint Inst Nucl Res, Dubna 141980, Russia.
语种:
英文
关键词:
Azimuthal correlations;QGP;Heavy ion collisions
期刊:
Physics Letters B
ISSN:
0370-2693
年:
2011
卷:
704
期:
5
页码:
467-473
基金类别:
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 ScienceUnited States Department of Energy (DOE); U.S. NSFNational Science Foundation (NSF); Sloan FoundationAlfred P. Sloan Foundation; DFG cluster of excellence 'Origin and Structure of the Universe' of GermanyGerman Research Foundation (DFG); CNRS/IN2P3Centre National de la Recherche Scientifique (CNRS); STFCUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); EPSRC of the United KingdomUK Research & Innovation (UKRI)Engineering & Physical Sciences Research Council (EPSRC); FAPESP CNPq of Brazil; Ministry of Ed. and Sci. of the Russian Federation; NNSFCNational Natural Science Foundation of China (NSFC); CASChinese Academy of Sciences; MoST; MoE of ChinaMinistry of Education, China; GA; MSMT of the Czech Republic,Ministry of Education, Youth & Sports - Czech Republic; FOMFOM (The Netherlands); NWO of the NetherlandsNetherlands Organization for Scientific Research (NWO); DAEDepartment of Atomic Energy (DAE); DSTDepartment of Science & Technology (India); CSIR of IndiaCouncil of Scientific & Industrial Research (CSIR) - India; Polish Ministry of Sci. and Higher Ed.; Korea Research FoundationKorea Research Foundation; Ministry of Sci., Ed. and Sports of the Rep. Of Croatia; Russian Ministry of Sci. and Tech, and RosAtom of Russia
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
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 e...

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