Two particle correlation measurements at PHENIX

Todoroki, T. and Adare, A. and Afanasiev, S. and Aidala, C. and Ajitanand, N. N. and Akiba, Y. and Akimoto, R. and Al-Bataineh, H. and Al-Ta’ani, H. and Alexander, J. and Andrews, K. R. and Angerami, A. and Aoki, K. and Apadula, N. and Aphecetche, L. and Appelt, E. and Aramaki, Y. and Armendariz, R. and Aronson, S. H. and Asai, J. and Asano, H. and Aschenauer, E. C. and Atomssa, E. T. and Averbeck, R. and Awes, T. C. and Azmoun, B. and Babintsev, V. and Bai, M. and Bai, X. and Baksay, G. and Csanád, Máté and Csörgő, Tamás and Imrek, József and Kiss, Árpád and Varga-Kőfaragó, Mónika and Nagy, Márton and Ster, András and Sziklai, János István and Tarján, Péter and Vértesi, Róbert and Zimányi, József (2013) Two particle correlation measurements at PHENIX. NUCLEAR PHYSICS A, 910-91. pp. 264-267. ISSN 0375-9474

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Abstract

Measurements of two particle azimuthal correlations in relativistic heavy ion collisions are useful tools to dissect the interplay between hard-scattered partons and hot dense medium. Correlations with trigger particle selection rela- tive to second order event plane are sensitive to the path-length dependence of parton energy loss and to the influence of the medium on jet for high and intermediate transverse momenta pairs, respectively. To study the parton-medium coupling, it is also crucial to obtain correlations with rejection of contributions from higher harmonic flow. We present current results of second order event plane dependent correlations as well as correlations in which contributions from higher harmonic flow have been excluded in Au+Au collisions at √sNN = 200 GeV measured by PHENIX.

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