Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2005-10-14
Nucl.Phys. A774 (2006) 569-572
Physics
Nuclear Physics
Nuclear Experiment
Talk given at Quark Matter 2005, 18th International Conference on Nucleus-Nucleus Interactions, August 4-9, 2005, Budapest, Hu
Scientific paper
The measurement of gamma+jet events with a direct photon in coincidence with an energetic parton can provide unique insights into the propagation and fragmentation of the parton in the presence of the hot and dense medium created in heavy-ion collisions. One way to explore these effects is the study of azimuthal correlations between the direct photon and hadrons produced in the fragmentation. We present azimuthal correlations between photons with a transverse momentum of more than 10 GeV and charged hadrons with a transverse momentum of more than 2 GeV in Au+Au collisions at sqrt(s_NN) = 200 GeV that have been measured with the STAR detector at RHIC. The separation of correlations with direct photons and photons from hadronic decays will be discussed.
Dietel Thomas
for the STAR Collaboration
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