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System size and energy dependence of near-side dihadron correlations

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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:
Agakishiev, G.
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.; Zoulkarneeva, Y.; Tokarev, M.; Filip, P.; Lednicky, R.; Dedovich, T. G.; Vokal, S.] Joint Inst Nucl Res, Dubna 141980, Russia.
[Gliske, S.; Underwood, D. G.; Krueger, K.; Spinka, H. M.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Ullrich, T.; Pile, P.; Lamont, M. A. C.; LeVine, M. J.; Ljubicic, T.; Xu, Z.; Ogawa, A.; Ruan, L.; Tang, A. H.; Videbaek, F.; Fisyak, Y.; Beavis, D. R.; Lauret, J.; Bland, L. C.; Longacre, R. S.; Webb, J. C.; Sorensen, P.; Christie, W.; Arkhipkin, D.; Debbe, R. R.; Lebedev, A.; Burton, T. P.; Dunlop, J. C.; Landgraf, J. M.; Yip, K.; Didenko, L.; Guryn, W.; Mitrovski, M. K.; Van Buren, G.; Lee, J. H.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Perkins, C.; Crawford, H. J.; Engelage, J.; Judd, E. G.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Sanchez, M. Calderon de la Barca; Mall, O. I.; Draper, J. E.; Cebra, D.; Brovko, S. G.; Sangaline, E.; Reed, R.; Romero, J. L.; Haag, B.] Univ Calif Davis, Davis, CA 95616 USA.
通讯机构:
[Agakishiev, G.] J
Joint Inst Nucl Res, Dubna 141980, Russia.
语种:
英文
期刊:
PHYSICAL REVIEW C
ISSN:
2469-9985
年:
2012
卷:
85
期:
1
基金类别:
RHIC Operations Group; RCF at BNL; NERSC Center at LBNL; Open Science Grid consortium; Offices of Nuclear Physics and High Energy Physics within the US DOE Office of Science; US NSFNational Science Foundation (NSF); Sloan FoundationAlfred P. Sloan Foundation; DFG cluster of excellence "Origin and Structure of the Universe" of Germany; CNRS/IN2P3Centre National de la Recherche Scientifique (CNRS); FAPESP CNPq of Brazil; Ministry of Education and Science of the Russian FederationMinistry of Education and Science, Russian Federation; NNSFC, CAS, MoST, and MoE of ChinaNational Natural Science Foundation of China (NSFC)Chinese Academy of Sciences; GA and MSMT of the Czech Republic; FOM and NWO of the NetherlandsFOM (The Netherlands); DAE, DST, and CSIR of IndiaDepartment of Science & Technology (India)Department of Atomic Energy (DAE); Polish Ministry of Science and Higher EducationMinistry of Science and Higher Education, Poland; Korea Research FoundationKorea Research Foundation; Ministry of Science, Education and Sports of the Republic of CroatiaMinistry of Science, Education and Sports, Republic of Croatia; RosAtom of Russia; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [ST/J000140/1, ALICE] Funding Source: researchfish
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:
Two-particle azimuthal (Delta phi) and pseudorapidity (Delta eta) correlations using a trigger particle with large transverse momentum (p(T)) in d+Au, Cu+Cu, and Au+Au collisions at root s(NN) = 62.4 GeV and 200 GeV from the STAR experiment at the Relativistic Heavy Ion Collider are presented. The near-side correlation is separated into a jet-like component, narrow in both Delta phi and Delta eta, and the ridge, narrow in Delta phi but broad in Delta eta. Both components are studied as a function of collision centrality, and the jet-like correlation is studied as a function of the trigger and ...

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