The Second Class Current and the Strong Meson Dominance Model
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概要
- 論文の詳細を見る
The hypothesis that the nuclear β-decay is mediated by the low-lying isovector mesons leads to the necessary existence of the second class currents. The model predicts a quite small coefficient for the scalar current and a coefficient for the pseudotensor current comparable to those of the first class currents. The former is compatible with the present data. The latter, in combination with the tensor current, distorts the distribution of β-ray from oriented nuclei. It is pointed out that, if the effect of A_1 and B mesons is included, the data on low energy nucleon-nucleon scattering may be reconciled with a smaller tensor coupling of ρ meson. Within this ambiguity, the present data on β-decay of A=12 system are shown to be compatible with the pseudotensor current with the strength of -1 to -1/5 of that of the axial-vector current.
- 理論物理学刊行会の論文
- 1980-02-25
著者
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SATO Shinichi
Research Institute of Electrical Communication, Tohoku University
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Igarashi Masataka
Department Of Phvscis Tokai University
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Nakamura Seitaro
Department Of Physics Facult Of Science University Of Tokyo
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Sato Shigeo
Department Of Cardiovascular Surgery Sakurabashi Watanabe Hospital
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Nakamura Seitaro
Department of Physics, Faculty of Science, University of Tokyo : Department of Physics, College of Science and Engineering Nihon University
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Nakamura Seitaro
Department of Applied Physics, Faculty of Science Tokyo Institute of Technology
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