Separation of Soft and Hard Physics in Deeply Virtual Compton Scattering
A. Gardestig, A. P. Szczepaniak, J. T. Londergan
Abstract
A model for deeply virtual Compton scattering, based on analytical light-cone hadron wave functions is presented and studied at energies currently accessible at Jefferson Laboratory, DESY, and beyond. It is shown that perpendicular vector components play an important role at Q2 < 10 GeV2 and that the meson-exchange diagrams are important at all energies. This could significantly impact the physical interpretation of the underlying hadron amplitudes.
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