STAR Measurements of Bottom to Charm Ratio and Heavy Quark Interaction with the QCD Medium through Non-Photonic Electron-Hadron Correlations
Abstract
We present STAR measurements of relative charm and bottom contributions to NPE from p+p collisions at s= 200 and 500 GeV energies. We report the total bottom quark production cross section from p+p collisions at s= 200 GeV extracted from NPE spectrum and B to D ratios. We also present the NPE-hadron azimuthal correlations from Au+Au collisions at = 200 GeV from the 2010 RHIC run where we have collected high statistics data set with low photonic conversion background.
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