S-Wave Pion-Σ-Hyperon Scattering

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概要

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• Qualitative character of the S-wave pion-Σ-hyperon scattering is investigated, comparing with the corresponding S-wave pion-nucleon scattering. Information on S-wave pion-Σ-hyperon scattering is obtained from K^- capture experiments which have suggested large magnitudes of the phase shifts as well as large isotopic spin dependence. It is pointed out that these characteristics seem to be explained only when doublet approximation proposed by A. Pais is abandoned. Effect of the K-coupling to the S-wave pion-Σ-hyperon and the S-wave K^--nucleon scattering are also discussed and the result is that absorption process reflects rather significant effect on both scatterings, especially K^--nucleon scattering, even when K-meson-baryon couplings are weaker than pion-baryon couplings by an order of magnitude.

• 理論物理学刊行会の論文
• 1960-04-25

著者

• Kawarabayashi Ken

  Department Of Physics Facult Of Science University Of Tokyo

• SAWADA Tetsuo

  Department of Physics, University of Tokyo

• Sawada Tetsuo

  Department Of Physics University Of Tokyo

関連論文

• A Remark on the Anomalous Magnetic Moment in the Static Model
• Electromagnetic Structure of the Nucleon
• Mass Spectra of Baryons
• S-Wave Pion-Σ-Hyperon Scattering
• Low-Energy Limit Theorems and Dispersion Relations
• S-Wave Pion-Nucleon Scattering
• Global Symmetry and the Branching Ratios for the K^- Capture by the Nucleon
• Branching Ratios for the K^- Capture from Hydrogen at Low Energy
• Proposal to Confirm the Strong van der Waals Interaction in Low Energy p-p Scattering
• Electric Polarizability of Nucleon

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