Perturbative and non-perturbative QCD corrections to wide-angle Compton scattering
Preprint
- 16 October 2001
Abstract
We investigate corrections to the handbag approach for wide-angle Compton scattering off protons at moderately large momentum transfer: the photon-parton subprocess is calculated to next-to-leading order QCD and contributions from the generalized parton distribution E} are taken into account. Photon and proton helicity flip amplitudes are non-zero due to these corrections which leads to a wealth of polarization phenomena in Compton scattering. Thus, for instance, the incoming photon asymmetry or the transverse polarization of the proton are non-zero although small.Keywords
All Related Versions
- Version 1, 2001-10-16, ArXiv
- Published version: The European Physical Journal C, 23 (2), 301.
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