Partiy-Violating Asymmetry in Exclusive Photoproduction of Lepton Pairs from Protons
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概要
- 論文の詳細を見る
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 right- and 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 configurations. The neutral-current effects are of order 10^<-7>sim10<-5> in the lepton production angle range from 1°to 10°for the incident photon energy of 20 GeV.
- 理論物理学刊行会の論文
- 1980-06-25
著者
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Konashi Hiroshi
Department Of Physics Osaka University
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Yokoo Yoshimatsu
Department Of Physics Fukui Medical School
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USHIO Kenichi
Department of Physics, Osaka University
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Ushio Kenichi
Department Of Physics Osaka University
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YOKOO Yoshimatsu
Department of Physics, Osaka University : International Centre for Theoretical Physics, Trieste.
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