Single electrons from heavy-flavor decays in collisions at.

Abstract

The invariant differential cross section for inclusive electron production in p+p collisions at [FORMULA: SEE TEXT] has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider over the transverse momentum range 0.4<or=pT<OR=5.0 GeV/c in the central rapidity region ([FORMULA: SEE TEXT]). The contribution to the inclusive electron spectrum from semileptonic decays of hadrons carrying heavy flavor, i.e., charm quarks or, at high , bottom quarks, is determined via three independent methods. The resulting electron spectrum from heavy-flavor decays is compared to recent leading and next-to-leading order perturbative QCD calculations. The total cross section of charm quark-antiquark pair production is determined to be [FORMULA: SEE TEXT].

Cite this paper

@article{Adler2006SingleEF, title={Single electrons from heavy-flavor decays in collisions at.}, author={Steven Adler and Sergey V Afanasiev and Christine Aidala and N . N . Ajitanand and Yukio Akiba and James Alexander and R . Amirikas and L . Aphecetche and S . H . Aronson and Ralf Averbeck and Terry C. Awes and R. Azmoun and V . V . Babintsev and Andrea Baldisseri and K . N . Barish and Patrick Barnes and B . Bassalleck and Stefan Bathe and S . Batsouli and V . Baublis and Alexander Bazilevsky and S . Belikov and Yury Berdnikov and Shreya Bhagavatula and J . G . J . Boissevain and Hector Borel and Stacey P. Borenstein and M . L . Brooks and David S. Brown and Nancy Bruner and Denis Bucher and H . Buesching and V . Bumazhnov and Gareth Bunce and J. M. Burward-Hoy and Sergey A . Butsyk and X . Camard and J. Chai and Pooran Chand and Wing Chung Chang and S . K . Chernichenko and Chehyuk Chi and Jun-ichi Chiba and Mickey Chiu and I . J . Choi and J Choi and Ratan K. 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