Comment on vector-meson dominance and the γ→3π vertex in the low-energy limit

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Abstract

It is found that a simple derivation of a relation between the γ→3π and π→2γ vertices, previously obtained from current algebra and the partial-conservation-of-axial-vector-current anomaly, can be given on the basis of a pole model together with vector-meson dominance if we require consistency between a ρ-pole description of ππ scattering in the framework of a Yang-Mills theory and a theorem of Weinberg for the same process in the two-soft-pion limit.

Original languageEnglish (US)
Pages (from-to)3857-3861
Number of pages5
JournalPhysical Review D
Volume10
Issue number11
DOIs
StatePublished - Jan 1 1974

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