Indications of Conical Emission of Charged Hadrons at the BNL Relativistic Heavy Ion Collider
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Abelev-2009-Indications of Conic.pdf
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Author(s)
Sakuma, Tai
Miller, M. L.
Millane, Julie M.
Kocoloski, Adam Philip
Balewski, Jan T.
Surrow, Bernd
Walker, Matthew H
Hoffman, Alan Michael
Date Issued
February 2009
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
STAR Collaboration et al. “Indications of Conical Emission of Charged Hadrons at the BNL Relativistic Heavy Ion Collider.” Physical Review Letters 102.5 (2009): 052302. 2009 The American Physical Society
Version
Final published version
Abstract
Three-particle azimuthal correlation measurements with a high transverse momentum trigger particle are reported for pp, d+Au, and Au+Au collisions at √s[subscript NN]=200 GeV 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)[subscript -0.07][superscript +0.06](syst), independent of p[subscript ⊥].
MIT Department
Lincoln Laboratory
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevLett.102.052302
