Educing GPDs from amplitudes of hard exclusive processes
arXiv:0711.1820
Abstract
The dual parametrization of generalized parton distributions (GPDs) is considered in details. We discuss which part of information about hadron structure encoded in GPDs [part of total GPD image] can be restored from the known amplitude of a hard exclusive process. The physics content of this partial image is analyzed.
To appear in proceedings of Crimea conference ``New Trends in High-Energy Physics", Yalta, Sept. 15-22, 2007
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