1984Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsRequires access

Comment on "Pion-decay widths of N and Δ baryons"

D. M. Manley

Open publisher page 3 citations

Abstract

The form of the simple pion-baryon interaction recently used by Preston and Dutta to calculate pion-decay widths is observed to incorrectly predict the relative phases of resonant quasi-two-body scattering amplitudes. We suggest an alternative interaction to allow further investigations of baryon-baryon one-pion-exchange potentials with a single coupling constant.

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What this paper is about

The form of the simple pion-baryon interaction recently used by Preston and Dutta to calculate pion-decay widths is observed to incorrectly predict the relative phases of resonant quasi-two-body scattering amplitudes. We suggest an alternative interaction to allow further investigations of baryon-baryon one-pion-exchange potentials with a single coupling constant.

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Available abstract

The form of the simple pion-baryon interaction recently used by Preston and Dutta to calculate pion-decay widths is observed to incorrectly predict the relative phases of resonant quasi-two-body scattering amplitudes. We suggest an alternative interaction to allow further investigations of baryon-baryon one-pion-exchange potentials with a single coupling constant.

Key concepts: Pion, Physics, Baryon, Coupling constant, Particle physics, Amplitude, Scattering, Nuclear physics

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