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Phenomenology of double deeply virtual Compton scattering in the era of new experiments
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Phenomenology of double deeply virtual Compton scattering in the era of new experiments
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We revisit the phenomenology of the deep exclusive electroproduction of a lepton pair, i.e. double deeply virtual Compton scattering (DDVCS), in view of new experiments planned in the near future. The importance of DDVCS in the reconstruction of generalized parton distributions (GPDs) in their full kinematic domain is emphasized. Using Kleiss-Stirling spinor techniques, we provide the leading order complex amplitudes for both DDVCS and Bethe-Heithler sub-processes. Such a formulation turns out to be convenient for practical implementation in the PARTONS framework and EpIC Monte Carlo generator that we use in simulation studies.
Forward citations
Cited by 8 Pith papers
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Coherent deeply virtual Compton scattering on helium-4 beyond leading power
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