Hadronic gauge coupling for ρ′→ρππ

C. Ayala, A. Bramon, F. Cornet

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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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    Ayala, C., Bramon, A., & Cornet, F. (1984). Hadronic gauge coupling for ρ′→ρππ. Zeitschrift für Physik C Particles and Fields, 26(1), 57-60. https://doi.org/10.1007/BF01572541