Three-Particle Coincidence of the Long Range Pseudorapidity Correlation in High Energy Nucleus-Nucleus Collisions
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Abelev-2010-Three-Particle Coinc.pdf
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Author(s)
Balewski, Jan T.
Betancourt, Michael Joseph
Corliss, Ross Cameron
Hays-Wehle, James Prewitt
Jones, Christopher LaDon
Kocoloski, Adam Philip
Leight, William Axel
Sakuma, Tai
Seele, Joseph Patrick
Surrow, Bernd
Date Issued
July 2010
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
STAR Collaboration et al. “Three-Particle Coincidence of the Long Range Pseudorapidity Correlation in High Energy Nucleus-Nucleus Collisions.” Physical Review Letters 105.2 (2010): 022301. © 2010 The American Physical Society.
Version
Final published version
Abstract
We report the first three-particle coincidence measurement in pseudorapidity (delta eta) between a high transverse momentum (p⊥) trigger particle and two lower p⊥ associated particles within azimuth |deltaphi|<0.7 in [sqrt]sNN=200 GeV d+Au and Au+Au collisions. Charge ordering properties are exploited to separate the jetlike component and the ridge (long range delta eta correlation). The results indicate that the correlation of ridge particles are uniform not only with respect to the trigger particle but also between themselves event by event in our measured delta eta. In addition, the production of the ridge appears to be uncorrelated to the presence of the narrow jetlike component.
MIT Department
Bates Linear Accelerator Center
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.105.022301
