Abstract

The cross section for inclusive prompt photon production with polarized hadron beams is calculated at order αα s 2 using the phase-space slicing or analytic/Monte Carlo method. Isolation cuts are placed on the photon and the results are compared to a previous fully analytic calculation. Numerical results for the isolated cross section are presented for pp → γ + X at RHIC centre-of-mass energies with plausible isolation parameters using the most modern polarized parton densities evolved in next-to-leading order QCD. The perturbative stability of the asymmetries and scale dependence of the results are briefly discussed.

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