Selection Rules for Decays of π-Mesons and V-Particles
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概要
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Making use of the general principle of invariance under space rotation and inversion, the decay of a π-meson into two Fermions and a V-particle (assuming spin 1/2) into one Boson and one Fermion are investigated. The subject of interesr is: whether any of these decay processes can be made forbidden by assigning appropriate parities to various Fermions, as has been remarked by Yang and Tiomno. It is found that there exists no such possibility, that is, there is no reasonable assignments of parities which make any processes forbidden. This result is reexamined in the light of charge independence hypothesis, in which π-meson fields are considered to interact charge symmetrically with nucleon and lepton fields. It is found, however, that the introduction of this hypothesis does not better the situation at all. Several definite conclusions are drawn on the isotopic angular momenta of V-particles from this hypothesis. Discussions are also made on the possibility of the proposed model in which μ-mesons and V-particles are assumed to be the excited sraces of leptons and nucleons, respectively.
- 理論物理学刊行会の論文
著者
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Sugawara Masao
Department Of Chemistry College Of Humanities And Sciences Nihon University
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Hamada Tetsuo
Department Of Physics Hokkaido University
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Hamada Tetsuo
Department Of Clinical Pathology University Of Occupational And Environmental Health
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HAMADA T.
Department of Cell and Molecular Pathology, St John's Institute of Dermatology, The Guy's, King's Co
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Sugawara M.
Department Of Physics Hokkaido University
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Hamada Tetsuo
Department of Physics, Hokkaido University
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