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hep-ph2004
Large Logarithms in the Beam Normal Spin Asymmetry of Elastic Electron--Proton Scattering
Andrei Afanasev, N. P. Merenkov
We study a parity-conserving single-spin beam asymmetry of elastic electron-proton scattering induced by an absorptive part of the two-photon exchange amplitude. It is demonstrated…
hep-ph2004
Partonic calculation of the two-photon exchange contribution to elastic electron-proton scattering at large momentum transfer
Y. C. Chen, A. Afanasev, S. J. Brodsky +2
We estimate the two-photon exchange contribution to elastic electron-proton scattering at large momentum transfer through the scattering off a parton in the proton. We relate the p…