DVCS on the nucleon to the twist-3 accuracy
arXiv:hep-ph/0010150 · doi:10.1016/S0550-3213(01)00048-7
Abstract
The amplitude of the deeply virtual Compton scattering off nucleon is computed to the twist-3 accuracy in the Wandzura-Wilczek (WW) approximation. The result is presented in the form which can be easily used for the analysis of DVCS observables.
18 pages, no figures, typos are removed