Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2007-03-05
Physics
Nuclear Physics
Nuclear Experiment
Proceedings for STAR talk presented at Quark Matter 2006, 4 pages 2 figures, Version 2: typos corrected, references added
Scientific paper
10.1088/0954-3899/34/8/S69
We present preliminary STAR results on 3-particle azimuthal angle correlation studies in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. The studies are carried out at mid-rapidity between a trigger particle with 3 $\le p_{\perp} \le$ 4 GeV/c and two associated particles in 1 $\le p_{\perp} \le $ 2 GeV/c. A cumulant analysis reveals finite 3-particle azimuthal correlations, dominated by near and away side particle correlations consistent with jet production, and jet-flow correlations. We use a two-component model to remove underlying background correlations. This analysis indicates the presence of the conical emission signals in central Au+Au collisions within the model assumptions about background composition and normalization.
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