e^-e^- Collisions Mediated by Composite Neutrinos : Particles and Fields
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概要
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The lepton number violating process e^-e^-→W^-W^- has been widely discussed in connection to the Majorana neutrino exchange mechanism. Here, we discuss this process in a composite neutrino model where excited Majorana neutrinos are exchanged We find several qualitatively different features from the neutrino exchange case: (1) Longitudinally polarized W bosons are not produced, (2) neutrinoless double beta decay does not strongly constrain and a much larger cross section is expected, and (3) CP violating phases may be explored, because all excited neutrinos are heavy, and therefore large mixings among them are expected.
- 理論物理学刊行会の論文
- 1998-09-25
著者
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Takasugi E
Osaka Univ.
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TAKASUGI Eiichi
Department of Physics, Osaka University
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Takasugi Eiichi
Department Of Physics Graduate School Of Science Osaka University
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KINYUA Robert
Department of Physics,Osaka University
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Kinyua Robert
Department Of Physics Osaka University
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