Nonleptonic Hyperon Decay in the Quark Model

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概要

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• Nonleptonic hyperon an Ω^- decays are discussed in the nonrelativistic quark model and the SU(6) theory, where we consider the pole diagram for quark, the four-body weak current-current interaction J_<1^2>J_<3^1> and the meson exchange interaction. We assume two models, and can explain the experiments for parity-violating and parity-conserving amplitudes of nonleptonic hyperon decays. In particular the ΔI=1/2 rule is derived, though the weak current-current interaction J_<1^2>J_<3^1> does not satisfy ΔI=1/2. As to the decay of Ω^- two models predict the different ratio of Γ(Ω→Λ+K) and Γ(Ω→Ξ+Π). One is consistent with experiment, the other forbids Ω→Λ+K.

• 理論物理学刊行会の論文
• 1967-10-25

著者

• Miura Kimio

  Department Of Physics Nippon Ika University

• Minamikawa Toshiyuki

  Department Of Physics Tokyo University Of Education

• MIURA Kimio

  Department of Physics, Tokyo University of Education

• Miura Kimio

  Department of Mechanical Systems,Faculty of Computer Science and Systems Engineerig,Kyushu Institute of Technology

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• Soft Meson Approximation and the Decays of Tensor Mesons
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