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中国物理快报 2009
Two-Photon-Exchange Correction to Elastic ep Scattering in the Forward Angle Limit
Keywords: 25,30,Bf,12,20,Ds,13,40,Gp Abstract: The two-photon-exchange (TPE) correction to elastic ep scattering in the forward angle region is discussed based on a simple hadronic model. It is found that the correction is exactly zero in the forward angle limit. This analytical result gives a good explanation of the previous numerical results and shows the clear power behavior of the TPE correction to elastic ep scattering in the forward angle region.
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