arXiv:hep-ph/0012136·v1·High Energy Physics — Phenomenology
DVCS on the nucleon : study of the twist-3 effects
N. Kivel🇩🇪 · M.V. Polyakov🇷🇺 · M. Vanderhaeghen🇩🇪
Abstract
We estimate the size of the twist-3 effects on deeply virtual Compton scattering (DVCS) observables, in the Wandzura-Wilczek approximation. We present results in the valence region for the DVCS cross sections, charge asymmetries and single spin asymmetries, to twist-3 accuracy.
Comments: 20 pages, 6 figures