Deeply virtual Compton scattering in next-to-leading order

Details Deeply virtual Compton scattering in next-to-leading order Deeply virtual Compton scattering in next-to-leading order

1999-08-12

arxiv.org/abs/hep-ph/9908337v1

Phys.Lett. B474 (2000) 163-169

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, LaTeX, 3 figures

Scientific paper

10.1016/S0370-2693(99)01283-6

We study the amplitude of deeply virtual Compton scattering in next-to-leading order of perturbation theory including the two-loop evolution effects for different sets of skewed parton distributions (SPDs). It turns out that in the minimal subtraction scheme the relative radiative corrections are of order 20-50%. We analyze the dependence of our predictions on the choice of SPD, that will allow to discriminate between possible models of SPDs from future high precision experimental data, and discuss shortly theoretical uncertainties induced by the radiative corrections.

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