Pedagogic model for Deeply Virtual Compton Scattering with quark-hadron duality
classification
✦ hep-ph
nucl-th
keywords
scatteringcomptondeeplydualitynon-forwardquark-hadronvirtualamplitudes
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We show how quark-hadron duality can emerge for valence spin averaged structure functions, and for the non-forward distributions of Deeply Virtual Compton Scattering. Novel factorisations of the non-forward amplitudes are proposed. Some implications for large angle scattering and deviations from the quark counting rules are illustrated.
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