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Parity-Violating Asymmetry in Exclusive Photoproduction of Lepton Pairs from Protons
1980
Progress of theoretical physics
The neutral-current effects in the exclusive lepton pair production with a circularly polarized photon beam on a proton target are discussed. We derive the parity-violating asymmetry for the lepton produced by rightand left-handed photons. It is expressed in terms of the well-known electromagnetic and weak form factors of the nucleons. Numerical calculations are given in the standard Weinberg-Salam model. We show the asymmetry as a function of the lepton energy in some kinematical
doi:10.1143/ptp.63.2032
fatcat:xluvpe6vdzdaroorgszsubqpum