Isolated Photons at Hadron Colliders at O(αalpha_s^2) (II): Spin Dependent Case

Details Isolated Photons at Hadron Colliders at O(αalpha_s^2) (II): Spin Dependent Case Isolated Photons at Hadron Colliders at O(αalpha_s^2) (II): Spin Dependent Case

1996-12-05

arxiv.org/abs/hep-ph/9612270v1

Nucl.Phys. B501 (1997) 197-206

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 12 figures

Scientific paper

10.1016/S0550-3213(97)00340-4

The cross section for inclusive prompt photon production with polarized hadron beams is calculated at order $\alpha\alpha_s^2$ 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 for $\vec{p}\vec{p}\rightarrow \gamma+X$ at RHIC center-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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