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rho(0) photoproduction in AuAu collisions at root s(NN)=62.4 GeV measured with the STAR detector

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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.
[Underwood, D. G.; Krueger, K.; Bridgeman, A.; 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.; Grebenyuk, O. G.; Ogawa, A.; Ruan, L.; Tang, A. H.; Videbaek, F.; Fine, V.; 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.; Gordon, A.; 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.
[Mall, O. I.; Draper, J. E.; Cebra, D.; Brovko, S. G.; Sangaline, E.; Reed, R.; de la Barca Sanchez, M. Calderon; Romero, J. L.; Salur, S.; Haag, B.; Liu, H.] Univ Calif Davis, Davis, CA 95616 USA.
通讯机构:
[Agakishiev, G.] A
Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
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; Office of NP within the US DOE Office of ScienceUnited States Department of Energy (DOE); 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; NNSFCNational Natural Science Foundation of China (NSFC); CASChinese Academy of Sciences; MoST; MoE of ChinaMinistry of Education, China; GA and MSMT of the 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 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; Office of HEP within the US DOE Office of ScienceUnited States Department of Energy (DOE)
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:
Vector mesons may be photoproduced in relativistic heavy-ion collisions when a virtual photon emitted by one nucleus scatters from the other nucleus, emerging as a vector meson. The STAR Collaboration has previously presented measurements of coherent ρ0 photoproduction at center of mass energies of 130 GeV and 200 GeV in AuAu collisions. Here, we present a measurement of the cross section at 62.4 GeV; we find that the cross section for coherent ρ0 photoproduction with nuclear breakup is 10.5±1.5±1.6 mb at 62.4 GeV. The cross-section ratio b...

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