Dihadron azimuthal correlations in Au+Au collisions at {radical}(s{sub NN})=200 GeV

By Phenix Collaboration, A. Adare, et al. 2008

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Azimuthal angle ({delta}{phi}) correlations are presented for a broad range of transverse momentum (0.4 or approx. 5 GeV/c and a medium-induced component which is important for p{sub T} < or approx. 4 GeV/c. We also quantify the role of jets at intermediate and low p{sub T} through the yield of jet-induced pairs in comparison with binary scaled p+p pair yield. The yield of jet-induced pairs is suppressed at high pair proxy energy (sum of the p{sub T} magnitudes of the two hadrons) and is enhanced at low pair proxy energy. The former is consistent with jet quenching; the latter is consistent with the enhancement of soft hadron pairs due to transport of lost energy to lower p{sub T}.« less

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/6313f828e2f413954c746b52861f325c8cee8154