Abstract
Radiative corrections to the cross sections of photon electroproduction and the single spin asymmetries induced by the interference between the Bethe Heitler and deep virtual Compton scattering amplitudes are calculated within the leading log approximation. The deep virtual Compton scattering amplitude is presented in the Belitsky, M\"uller, and Kirchner approximation for the polarized initial particles. The Fortran code for estimation of the radiative effects in a given kinematic point and Monte Carlo generator for simulation of one or two photons are developed. Numerical results are performed for beam-spin asymmetries in kinematical conditions of current experiments in the Jefferson Laboratory.
Highlights
The process of deep virtual Compton scattering (DVCS) is considered to provide useful information for extraction of properties of the generalized parton distributions
DVCS is investigated through the measurements of the cross section and asymmetries in the processes of the photon electroproduction with both an unpolarized and polarized electron beam and proton target
To get access to the DVCS process the researcher has to find an asymmetry vanishing for a pure BH process and for which the main contribution would involve the DVCS amplitude
Summary
Radiative corrections to the cross sections of photon electroproduction and the single spin asymmetries induced by the interference between the Bethe-Heitler and deep virtual Compton scattering amplitudes are calculated within the leading log approximation. The deep virtual Compton scattering amplitude is presented in the Belitsky-Müller-Kirchner (BMK) approximation for the polarized initial particles. The Fortran code for estimation of the radiative effects in a given kinematic point and Monte Carlo generator for simulation of one or two photons are developed.
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