ΔC=ΔS=1 Decays of Charmed Baryons. II

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概要

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• Amplitude relations for ΔC=ΔS=1 nonleptonic decays of charmed baryons (1/ <2^+>) are investigated by making use of discrete symmetries. It is shown that most of Type-1 (Type-2) relations are simply derived by using S(R) symmetry, Which requires the effective Hamiltonian to be invariant under exchanges of SU(4) indices; 1←→2 and 3←→4 (1←→4 and 2←→3). Here, Type-1 relations are those common to 20″and 84, but not always true in case of 45+45*. The 45+45* spurion takes a part in the parity-violating nonleptonic decays of charmed baryons if the right-handed current with ΔC=ΔS=1 exists. These amplitude relations are compared with those derived from the equal-time commentator terms appearing in the soft-pion calculation. Various amplitudes relations among B→B´V decays and P-wave B→B′P decays are also derived from S and R symmetries. A short remark is given on charmed meson decays.

• 理論物理学刊行会の論文
• 1979-02-25

著者

• SATO Kazuhiro

  Department of Environmental Health, School of Medicine, University of Fukui

• ABE Yoshikazu

  Department of Physics Engineering, Mie University

• FUJII Kanji

  Department of Physics, Hokkaido University

• Fujii Kanji

  Department Of Physics Faculty Of Science Hokkaido University

• Abe Yoshikazu

  Department Of Pysics Hokkaido University

• Abe Yoshikazu

  Department Of Physics Engineering Mie University

• Sato Kazuhiro

  Department Of Physics Hokkaido University

• Sato Kazuhiro

  Department Of Condensed Matter Physics The Institute Of Scientific And Industrial Research (isir) Os

• HONDA Keiziro

  Department of Physics, Hokkaido University

• Honda Keijiro

  Department Of Physics Hokkaido University

• FUJII Kanji

  Hokkaido University of Education

• HONDA Keijiro

  Faculty of Engineering Yamanashi University

• OSANAI Syu

  Department of Physics, Kanazawa University

• HONDA Keijiro

  Physics Department, Hokkaido University

• Honda Keijiro

  Department Of Physics And Data Processing Center Kanazawa University

• Honda Keiziro

  Department Of Physics Hokkaido University

• Osanai Syu

  Department Of Physics Kanazawa University

• FUJII Kazuyuki

  Department of Mathemtics, Kyushu University

• Koi SATO

  Department of Physics, Nagoya University

• HONDA Keijiro

  Department of Physics, Hokkaido University

• Fujii Kanji

  Department of Mathemtics, Kyushu University

• Sato Kazuhiro

  Department of Applied Chemistry, Faculty of Engineering, Yamagata University

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