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Indications of conical emission of charged hadrons at the BNL relativistic heavy ion collider

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成果类型:
期刊论文
作者:
Abelev, B. I.*;Aggarwal, M. M.;Ahammed, Z.;Anderson, B. D.;Arkhipkin, D.;...
通讯作者:
Abelev, B. I.
作者机构:
[Iordanova, A.; Abelev, B. I.; Barannikova, O.; Callner, J.; Hollis, R. S.; Hofman, D. J.; Garcia-Solis, E.; Betts, R. R.; Suarez, M. C.] Univ Illinois, Chicago, IL 60607 USA.
[Underwood, D. G.; Krueger, K.; Spinka, H. M.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Bombara, M.; Bueltmann, S.; Jones, P. G.; Elhalhuli, E.; Gaillard, L.; Timmins, A. R.; Burton, T. P.; Nelson, J. M.; Barnby, L. S.] Univ Birmingham, Birmingham, W Midlands, England.
[Ullrich, T.; Lamont, M. A. C.; LeVine, M. J.; Ljubicic, T.; Hallman, T. J.; Lu, Y.; Videbaek, F.; Fine, V.; Fisyak, Y.; Beavis, D. R.; Lauret, J.; Bland, L. C.; Chung, S. U.; Christie, W.; Zhang, H.; Lebedev, A.; Dunlop, J. C.; Gordon, A.; Landgraf, J. M.; DePhillips, M.; Didenko, L.; Guryn, W.; Van Buren, G.; Fachini, P.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Perkins, C.; Crawford, H. J.; Ng, M. J.; Trainor, T. A.] 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:
102
期:
5
页码:
052302
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 Science; U. S. NSF; Sloan Foundation; DFG Excellence Cluster EXC153 of Germany; CNRS/IN2P3; RA; RPL; EMN of France; STFC; EPSRC of the United Kingdom; FAPESP of Brazil; Russian Ministry of Sci. and Tech.; NNSFC; CAS; MoST; MoE of China; IRP; GA of the Czech Republic; FOM of the Netherlands; DAE; DST; CSIR of the Government of India; Swiss NSF; Polish State Committee for Scientific Research; Korea Sci.Eng. Foundation; 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:
Three-particle azimuthal correlation measurements with a high transverse momentum trigger particle are reported for pp, d+Au, and Au+Au collisions at sNN=200GeV by the STAR experiment. Dijet structures are observed in pp, d+Au and peripheral Au+Au collisions. An additional structure is observed in central Au+Au data, signaling conical emission of correlated charged hadrons. The conical emission angle is found to be θ=1.37±0.02(stat)-0.07+0. 06(sys...

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