Non-photonic electron-hadron azimuthal correlation for AuAu, CuCu and pp collisions at $\sqrt{s_{NN}}=200$ GeV

Details Non-photonic electron-hadron azimuthal correlation for AuAu, CuCu and pp collisions at $\sqrt{s_{NN}}=200$ GeV Non-photonic electron-hadron azimuthal correlation for AuAu, CuCu and pp collisions at $\sqrt{s_{NN}}=200$ GeV

2009-07-22

arxiv.org/abs/0907.3937v4

Nucl.Phys.A830:849c-852c,2009

Physics

Nuclear Physics

Nuclear Experiment

4 pages 3 figures - To appear in the conference proceedings for Quark Matter 2009, March 30 - April 4, Knoxville, Tennessee. v

Scientific paper

10.1016/j.nuclphysa.2009.10.076

We present preliminary STAR results of azimuthal correlations between non-photonic electrons and hadrons in AuAu, CuCu and pp at $\sqrt{s_{NN}}=200$ GeV. Comparison of the e-h correlations from these colliding systems allows one to study the system-size dependence of heavy quark jet-medium interactions. We also report on the relative charm and bottom contributions to non-photonic electrons extracted from correlations measured in pp collisions. Our results, when combined with $R_{AA}$ measurements of non-photonic electrons, constrain the charm and bottom energy loss in the dense medium.

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