Probe for the strong parity violation effects at RHIC with three particle correlations

Abstract

In non-central relativistic heavy ion collisions, ¶-odd domains, which might be created in the process of the collision, are predicted to lead to charge separation along the system orbital momentum \cite{Kharzeev:2004ey}. An observable, ¶-even, but directly sensitive to the charge separation effect, has been proposed in \cite{Voloshin:2004vk} and is based on 3-particle mixed harmonics azimuthal correlations. We report the STAR measurements using this observable for Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$=200 and 62 GeV. The results are reported as function of collision centrality, particle separation in rapidity, and particle transverse momentum. Effects that are not related to parity violation but might contribute to the signal are discussed.

4 pages, Quark Matter 2008 Poster proceedings

References in corpus (1)

• The effects of topological charge change in heavy ion collisions: "Event by event P and CP violation"

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