1990•Canadian Journal of PhysicsRequires access

The Yukawa interaction in the Skyrme model

Nader Mobed, Xiquan Zhu, F. C. Khanna

Abstract

The complete form of Yukawa coupling terms, in the pion–Skyrmion system, for a rotating and moving Skyrmion is given. It is shown that pions couple linearly to the space component of the axial-vector current in addition to coupling to the time component. When both interactions are taken into account, the pionic decay width of Δ(1232) is modified by a significant amount.

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Key concepts: Physics, Yukawa potential, Skyrmion, Pion, Coupling (piping), Component (thermodynamics), Space (punctuation), Quantum electrodynamics