Two- and Three-Body Mechanisms in Nonmesonic Weak Decays of s-Shell Hypernuclei : Nuclear Physics

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概要

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• On the basis of the pionic weak Hamiltonian derived from free Λ decay, relativistic calculations of nonmesonic weak decays of s-shell hypernuclei are performed. In addition to the one-pion-exchange mechanism, the effect of a typical three-body mechanism is examined. About 30% of the calculated total nonmesonic decay rate is produced by the three-body mechanism. The spectra of emitted protons are estimated. They play an essential role in interpreting the experimental data of the n/p ratios.

• 理論物理学刊行会の論文
• 1997-02-25

著者

• Shinmura Shoji

  Department Of Applied Mathematics Faculty Of Engineering Gifu University

• SHINMURA Shoji

  Department of Applied Mathematics, Faculty of Engineering Gifu University

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• Σ-Λ Conversion Decay of Σ-Hypernuclei with Nuclear Collective Excitations
• Electroproductions of Light Λ- and Σ-Hypernuclei : Nuclear Physics

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