Chiral bag models and the <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>π</mi><mi>N</mi><mo>→</mo><mi>π</mi><mi>π</mi><mi>N</mi></math></span> reaction

G. Kälbermann; J. M. Eisenberg

doi:10.1103/PhysRevD.28.66

Chiral bag models and the $π N \to π π N$ reaction

G. Kälbermann and J. M. Eisenberg

Department of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel

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Phys. Rev. D 28, 66 – Published 1 July, 1983

DOI: https://doi.org/10.1103/PhysRevD.28.66

Abstract

We explore alternative formulations of bag models preserving chiral symmetry, in which the pion is treated as a separate local field that is allowed to penetrate into the bag interior. Particular emphasis is placed on the cubic terms in the pion field. These are essential for a description of the process $π N \to π π N$ . We find that the phenomenology of that reaction indicates a clear preference amongst various possible formulations of chiral bag models with pion penetration of the bag.

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Physical Review D

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Chiral bag models and the $π N \to π π N$ reaction

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Chiral bag models and the πN→ππN reaction

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Chiral bag models and the $π N \to π π N$ reaction