Production of a Prompt Photon in Association with Charm at Next-to-Leading Order in QCD

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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27 pages in RevTex plus 14 figures in one compressed PS file

Scientific paper

10.1103/PhysRevD.54.1896

A second order, $O(\alpha ^2_s)$, calculation in perturbative quantum chromodynamics of the two particle inclusive cross section is presented for the reaction $p +\bar{p}\rightarrow \gamma + c + X$ for large values of the transverse momentum of the prompt photon and charm quark. The combination of analytic and Monte Carlo integration methods used here to perform phase-space integrations facilitates imposition of photon isolation restrictions and other selections of relevance in experiments. Differential distributions are provided for various observables. Positive correlations in rapidity are predicted.

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