Resonance Dominance in Nonleptonic Hyperon Decay

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概要

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• On the basis of the PCAC hypothesis and the use of a particular soft pion limit, it is shown that the baryon octet intermediate states lead to A(Σ_0^+)=B(Σ_0^+)=0,A(_-^-)=A(Σ_+^+), B(Σ_-^-)=B(Σ_+^+) provided that electromagnetic mass differences are neglected. Thus, it is inevitable to include contributions from higher excited states. A simple model in which the 1/2^- octet (nonet) and 1/2^+ octet (nonet) resonances dominate is given. The Lee-Sugawara relation is the consequence of this model.

• 理論物理学刊行会の論文
• 1971-08-25

著者

• Kikugawa Hiroyuki

  Department Of Physics University Of Tokyo

関連論文

• A Comment on the Anomalous Magnetic Moment of the Muon in Weinberg's Model
• A Quantum-Theoretical Lagrangian Formalism for Quasi-Linear Field Theories. I : General Theory
• A Quantum-Theoretical Lagrangian Formalism for Quasi-Linear Field Theories. II : Quantum-Field Theory of Non-Linear Realization and Current-Current Interaction of Pion Field
• Resonance Dominance in Nonleptonic Hyperon Decay
• Unsubtracted Dispersion Relation and the Anomalous Term
• Soft-Pion Limit and K_ Decays
• Search for the Anomaly-Free Interactions

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