Production of a Prompt Photon in Association with Charm at Next-to-Leading Order in QCD
Abstract
A second order, O(α 2s), calculation in perturbative quantum chromodynamics of the two particle inclusive cross section is presented for the reaction p +p→ γ + 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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