Radiative K-μ Decay and Quantum Electrodynamics at Small Distances

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概要

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• The radiative K-μ decay is analysed as a means of obtaining information on the properties of the muon and Q. E. D. at small distances and (or) on the type of the weak Fermi interaction. To express modifications of the properties of the muon and of Q. E. D. at small distances cut-off factors are used. If we use, for example, Feynman's cut-off factor with cutoff radius (1/Λ) gsim 0.3×10^<-13> cm, it is shown that the effects of these modifications may be measurable with the present experimental techniques, provided that the values of the axial vector and vector coupling constants are greater than or equal to that of the tensor coupling constant:|C_A|~|C_V|-^^>|C_T|. If |C_T|>|C_A|~|C_V| and (1/Λ)<0.3×10^<-13> cm, on the contrary, the effects of the tensor interaction are measurable. When (1/Λ)gsim0.3×10^<-13> cm and |C_T|>|C_A|~|C_V|, it is hard to distinguish these two effects.

• 理論物理学刊行会の論文
• 1959-01-25

著者

• Hiida Kichiro

  Research Institute For Fundamental Physics Kyoto University

関連論文

• Electromagnetic Structure of the Nucleon. I
• Electromagnetic Structure of the Nucleon. II
• Chiral Symmetry in the Unified Fermion Theory. III : Quantization
• Electromagnetic Structure of the Nucleon. IV : Charge Distribution of the Proton
• Note on the Radiative Corrections for the Electron-Electron Scattering
• Electromagnetic Structure of the Nucleon. V : Numerical Results of Three-Pion-State Contributions
• Radiative K-μ Decay and Quantum Electrodynamics at Small Distances

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