Indications of Conical Emission of Charged Hadrons at the BNL Relativistic Heavy Ion Collider
Author(s)
Sakuma, Tai; Miller, M. L.; Millane, Julie M.; Kocoloski, Adam Philip; Balewski, Jan T.; Surrow, Bernd; Walker, Matthew H; Hoffman, Alan Michael; ... Show more Show less
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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 ⊥].
Date issued
2009-02Department
Lincoln Laboratory; Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
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
ISSN
0031-9007