DVCS amplitude in the parton model
M. Penttinen, M. V. Polyakov, A. G. Shuvaev, M. Strikman
Abstract
We compute amplitude of deeply virtual Compton scattering in the parton model. We found that the amplitude up to the accuracy O(1/Q) depends on new skewed parton distributions (SPD's). These additional contributions make the DVCS amplitude explicitly transverse.
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