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Hadronic gauge coupling forρ′→ρππ

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Zeitschrift für Physik C Particles and Fields

Abstract

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.

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Authors and Affiliations

  1. Department de Física Teórica, Universitat Autónoma de Barcelona, Bellaterra (Barcelona), Spain

    C. Ayala & A. Bramon

  2. Department de Física Teórica, Fac. Ciéncies, Universitat Autónoma de Barcelona, Bellaterra (Barcelona), Spain

    F. Cornet

  3. Department de Física, Fac. de Veterinária, Universitat Autónoma de Barcelona, Bellaterra (Barcelona), Spain

    F. Cornet

Authors
  1. C. Ayala
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  2. A. Bramon
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  3. F. Cornet
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Work partially supported by research project CAICYT 0534/81

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Ayala, C., Bramon, A. & Cornet, F. Hadronic gauge coupling forρ′→ρππ. Z. Phys. C - Particles and Fields 26, 57–60 (1984). https://doi.org/10.1007/BF01572541

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  • DOI: https://doi.org/10.1007/BF01572541

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