Hadronic gauge coupling for ρ′→ρππ

C. Ayala, A. Bramon, F. Cornet

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)


A reasonable understanding of the smallness of the ρ′→ππ to the ρ′→ρππ branching ratio in the context of the quark-pair creation model (QPCM) is achieved. Our crucial hypothesis consists in assuming that the ρ can be phenomenologically considered as a gauge particle which couples to the derivative ρ′ππ coupling through a gauge principle. This fixes unambiguously the ρ′→ρππ amplitude. © 1984 Springer-Verlag.
Original languageEnglish
Pages (from-to)57-60
JournalZeitschrift für Physik C Particles and Fields
Issue number1
Publication statusPublished - 1 Mar 1984

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