Abstract
PHENIX measures leptons at mid and forward rapidities and extracts leptons resulting from semi-leptonic decays of heavy quarks. We present PHENIX results related to heavy quark production, specifically the invariant cross section of the non-photonic single electrons produced at midrapidity in p+p and d+Au collisions at sqrt(sNN) = 200 GeV. The measured cross section for {\it p+p} collisions is compared with the NLO prediction, and a possible excess over the prediction is noted. The measured cross section for {\it d+Au} collisions scales with the number of colliding nucleon pairs from the {\it p+p} spectra.
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