β-Rays Emitted from the Polarized Nuclei and β-Decay Interactions on the Strong Meson-Dominance Model

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概要

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• As a natural extension of the original Yukawa theory of β-decay, the strong mesondominance model is presented, in which all strong mesons can in general contribute to β-decay. By assuming that the weak interactions between mesons and leptons are exclusively V-A type, general expressions of the beta-decay interactions are deduced, which agree exactly with those given by Weinberg. Here the main contributions come out from the intermediary acts of mesons, π(140MeV), ρ(760MeV), δ(960MeV), π_N(1016MeV), A_1(1070MeV) and B(1220MeV). The theoretical formulas for the β-ray spectra emitted from the polarized nuclei are given, among which the contributions from the pseudo-tensor interaction (the second class interaction) coming from the B-meson channel are noticeable, besides those from the tensor interaction (the first-class interaction) coming from the ρ-meson channel.

• 理論物理学刊行会の論文
• 1972-12-25

著者

• Nakamura Seitaro

  Department Of Physics Facult Of Science University Of Tokyo

• Sato Shigeo

  Department Of Cardiovascular Surgery Sakurabashi Watanabe Hospital

• IGARASHI Masataka

  Max-Planck Institut fur Physik und Astrophysik

• Nakamura Seitaro

  Department of Physics, Faculty of Science, University of Tokyo : Department of Physics, College of Science and Engineering Nihon University

• Nakamura Seitaro

  Department of Applied Physics, Faculty of Science Tokyo Institute of Technology

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