Symmetry Breaking Effects in Nonleptonic Decays of Hyperons

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概要

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• We have examined the symmetry breaking effects in nonleptonic decays of hyperons. It turned out that if the weak spurion is confined to a unitary octet, then representations other than octet of S_BxotimeS_w bring new parameters on the decay modes of Λ and Ξ particles. Among the three properties of nonleptonic hyperon decays, therefore, the formulation of Property III) is modified by the broken symmetry S_B. Next we have investigated the pole model along the same line of thought as Paper I [Prog. Theor. Phys. 39 (1968), 1289]. In particular, for the p-wave channel, we have assumed that the form of weak vertex is the divergence of vector current. Our pole model has such remarkable merits as it reproduces fine results of the usual pole model but is free from the singularity of 1/Δm appearing in the usual one.

• 理論物理学刊行会の論文
• 1969-02-25

著者

• TODA Azuma

  Department of Applied Physics, Tohoku Gakuin University

• Sakuraoka Mitsuru

  Department Of Physics Tohoku University

• Sakuraoka Mitsuru

  Department Of Physics Faculty Of Science Tohoku University

• SAKURAOKA Mitsuru

  Department of Physics, Tohoku University

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• A Temperature Modulated DSC Study of Glass Transition in Poly(ethylene terephthalate)
• Remarks on Quantized Hamiltonians in the SU(2) Skyrme Model : Particles and Fields
• A Regge-Pole Model for Inelastic e-P Scattering
• On the Breaking of Effective Chiral U(3)xotimeU(3) Lagrangian
• Pole Approximation and Unitary Symmetry in Nonleptonic Hyperon Decays
• Remarks on the Simple Quark Model for Nonleptonic Hyperon Decays
• A Two-Component Picture of Multi-Particle Production. I
• Radiative Pionic Decays of Hyperons
• BBP Coupling Constants in Broken SU(3) and Nonleptonic Hyperon Decays
• Remarks on the Form Factors in the K_ Decay Modes
• Symmetry Breaking Effects in Nonleptonic Decays of Hyperons
• A Two-Component Picture of Multi-Particle Production. II
• Veneziano Model for K_ and K_ Decays. II
• Three Properties of Nonleptonic Hyperon Decays
• Broken Chiral U(3)⊗U(3) Model for Nonleptonic Decays
• Veneziano Model for K-Meson Decays
• Weak Radiative Decay of Hyperons. II
• K_-Decay Form Factors and Dynamical Group O(4,2)
• Remarks on the Quark Model for Nonleptonic Hyperon Decays. II
• The Form Factors in the K_ Decay
• Current-Density-Current-Density Commutators and the Decays of π^0 and ω

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