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η,\( \eta{^\prime}\) → πl+l- in a chiral unitary approach

  • B. Borasoy
  • R. Nißler
Regular Article - Hadron Physics

Abstract.

The decays η,\( \eta{^\prime}\) → π+π- l + l - (with l = e,μ are investigated within a chiral unitary approach which combines the chiral effective Lagrangian with a coupled-channels Bethe-Salpeter equation. Predictions for the decay widths and spectra are given.

PACS.

13.20.Jf Decays of other mesons 12.39.Fe Chiral Lagrangians 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2007

Authors and Affiliations

  • B. Borasoy
    • 1
  • R. Nißler
    • 1
  1. 1.Universität BonnHelmholtz-Institut für Strahlen- und Kernphysik (Theorie)BonnGermany

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