- Conference date: 15–19 October 2012
- Location: Beijing, China
Within a multi-phase transport (AMPT) model, dihadron, γ-hadron and γ+jet azimuthal correlations are systematically studied. Because the large initial fluctuations generate all orders of harmonic flows, it is key step to remove flow background for dihadron correlation. However, it is not necessary for γ-hadron correlation since prompt photon does not flow. Dihadron and γ-hadron correlations are compared in Au+Au collisions at RHIC energy. In addition, the transverse momentum imbalance between prompt photon and jet is investigated in Pb+Pb collisions at LHC energy. Due to the strong interactions between jet and partonic matter, jet losses more energy in more central collisions which leads to a more larger imbalance. These three observables serve as complementary probes to learn more information about the interactions between jet and the formed matter at RHIC and LHC.
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