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Azimuthal charged-particle correlations and possible local strong parity violation

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成果类型:
期刊论文
作者:
Abelev, B. I.*;Aggarwal, M. M.;Ahammed, Z.;Alakhverdyants, A. V.;Anderson, B. D.;...
通讯作者:
Abelev, B. I.
作者机构:
[Cai, X. Z.; Ullrich, T.; Pile, P.; Lamont, M. A. C.; Iordanova, A.; Abelev, B. I.; Barannikova, O.; LeVine, M. J.; Zhang, S.; Ljubicic, T.; Hallman, T. J.; Choi, K. E.; Xu, Z.; Shi, X-H.; Ogawa, A.; Ruan, L.; Tang, A. H.; Videbaek, F.; Ma, Y. G.; Fine, V.; Fisyak, Y.; Beavis, D. R.; Lauret, J.; Zhong, C.; Yoo, I-K.; Bland, L. C.; Lee, C-H.; Okada, H.; Longacre, R. S.; Hollis, R. S.; Sorensen, P.; Christie, W.; Arkhipkin, D.; Xu, Q. H.; Ma, G. L.; Lebedev, A.; Semertzidis, Y.; Dunlop, J. C.; Perevoztchikov, V.; Gordon, A.; Kauder, K.; Jin, F.; Landgraf, J. M.; DePhillips, M.; Zuo, J. X.; Love, W. A.; Garcia-Solis, E. J.; Yip, K.; Hofman, D. J.; Eun, L.; Didenko, L.; Dzhordzhadze, V.; Betts, R. R.; Heppelmann, S.; Guryn, W.; Tian, J.; Ludlam, T.; Van Buren, G.; Grube, B.; Suarez, M. C.; Fachini, P.; Lee, J. H.] Univ Illinois, Chicago, IL 60607 USA.
[Underwood, D. G.; Krueger, K.; Bridgeman, A.; Spinka, H. M.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Jones, P. G.; Elhalhuli, E.; Burton, T. P.; Nelson, J. M.; Barnby, L. S.] Univ Birmingham, Birmingham, W Midlands, England.
[Ullrich, T.; Pile, P.; Lamont, M. A. C.; LeVine, M. J.; Ljubicic, T.; Hallman, T. J.; Xu, Z.; Ogawa, A.; Ruan, L.; Tang, A. H.; Videbaek, F.; Fine, V.; Fisyak, Y.; Beavis, D. R.; Lauret, J.; Bland, L. C.; Okada, H.; Longacre, R. S.; Sorensen, P.; Christie, W.; Arkhipkin, D.; Lebedev, A.; Semertzidis, Y.; Dunlop, J. C.; Perevoztchikov, V.; Gordon, A.; Landgraf, J. M.; DePhillips, M.; Love, W. A.; Yip, K.; Didenko, L.; Dzhordzhadze, V.; Guryn, W.; Ludlam, T.; Van Buren, G.; Fachini, P.; Lee, J. H.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Perkins, C.; Crawford, H. J.; Engelage, J.; Judd, E. G.; Ng, M. J.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
通讯机构:
[Abelev, B. I.] U
Univ Illinois, Chicago, IL 60607 USA.
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2009
卷:
103
期:
25
页码:
251601
基金类别:
Offices of NP and HEP within the U.S. DOE Office of Science; U.S. NSF; Sloan Foundation; DFG cluster of excellence; CNRS/IN2P3; STFC and 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 and MSMT of the Czech Republic; FOM and NOW 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; RosAtom of Russia; Science and Technology Facilities Council [PP/F001061/1]
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:
Parity-odd domains, corresponding to nontrivial topological solutions of the QCD vacuum, might be created during relativistic heavy-ion collisions. These domains are predicted to lead to charge separation of quarks along the system's orbital momentum axis. We investigate a three-particle azimuthal correlator which is a P even observable, but directly sensitive to the charge separation effect. We report measurements of charged hadrons near center-of-mass rapidity with this observable in Au+Au and Cu+Cu collisions at sNN=200GeV using the STAR det...

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