Measurements of Non-photonic Electron Production and Azimuthal Anisotropy in $\sqrt{s_{NN}}=39$, 62.4 and 200 GeV \auau\ Collisions from STAR at RHIC

Abstract

During RHIC 2010 run, STAR has collected a large amount of minimum-bias, central and high $p_T$ trigger data in Au+Au collisions at $\sqrt{s_{NN}}=39$, 62.4 and 200 GeV with detector configuration for minimum photonic conversion background. In this article we report on a new high precision measurement of non-photonic electron mid-rapidity invariant yield, improved nuclear modification factor and $v_2$ in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV. We also present measurements of mid-rapidity invariant yield at $\sqrt{s_{NN}}=62.4$ and $v_2$ at $\sqrt{s_{NN}}=39$ and 62.4 GeV.

Quark Matter 2012 proceedings, final submission to Nucl. Phys. A

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• Modifications of Heavy-Flavor Spectra in $\sqrt{s_{\mathrm{NN}}}=62.4\mathrm{GeV}$ Au-Au Collisions
• Charm and beauty isolation from heavy flavor decay electrons in Au+Au collisions at $\sqrt{s_{\mathrm{NN}}}$ = 200 GeV at RHIC
• Jet Broadening in the Opacity and Twist Expansions