On ΔS=2 Transitions in Nonleptonic Hyperon Decays

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概要

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• In order to explain the phenomena of CP violation using the current-current interaction, several authors, including one of the present authors (M. K.), have introduced a neutral current in the form of the universal V-A current-current interaction. Then there appears a part in the Hamiltonian to produce the ΔS=2 transition in first order. In this article, we treat the nonleptonic hyperon decays with ΔS=2, Ξ→N_π, and obtain decay rates and asymmetry parameters using both the above interaction and the second order effect of the usual current-current interaction. In the latter case use is made of the baryon pole model. Comparison between the two calculations shows that there is a possibility of a considerable change in the asymmetry parameters of the decays Ξ→N_π in the presence of the above-mentioned neutral current.

• 理論物理学刊行会の論文
• 1971-08-25

著者

• Konuma Michiji

  Reseach Institute For Fundamental Physics Kyoto University

• KURATA Koji

  Department of Physics, Kyoto University

• Kurata Koji

  Department Of Physics Kyoto University

• Sugano Kimio

  Department Of Physics Kyoto University

関連論文

• Electroweak Theory : Framework of On-Shell Renormalization and Study of Higher-Order Effects
• Electroweak Radiative Corrections to High Energy ve Scatterings
• One-Loop Corrections to ν-e Scattering in Weinberg-Salam Theory : Neutral Current Processes
• On the Diagonal Part (μ^^-ν_μ)(ν^^-_μμ) in the Theory of Leptonic Weak Interactions
• Determination of the Weak Neutral-Current Couplings of the Electron
• Parity Nonconserving Nuclear Interactions and Weak Neutral Currents
• Baryon Resonances and SU_3 Mixing. I : N^(1400)
• Robustness to Noise of Associative Memory Using Nonmonotonic Analogue Neurons
• Upper Bounds on the Neutral Current with ΔS=1
• Neutrino Production of Lepton Pairs. II
• Neutrino Production of Lepton Pairs. I
• On the Universal V-A Current-Current Interaction with CP Violation
• Weak Neutral Currents and Parity Violating Nuclear Interactions
• On ΔS=2 Transitions in Nonleptonic Hyperon Decays

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