Hadronic Decays of Light and Strange Baryon Resonances in the GBE Constituent-Quark Model

  • A. Krassnigg
  • W. Plessas
  • L. Theußl
  • K. Varga
  • R. F. Wagenbrunn
Part of the Few-Body Systems book series (FEWBODY, volume 10)


We report further results from a study of hadronic decays of light and strange baryon resonances within a recently proposed constituent-quark model whose hyperfine interaction is derived from Goldstone-boson ex-change. Three-quark wave functions generated by solution of a semirelativistic Schrödinger-type equation with the stochastic variational method are employed for calculating partial decay widths along the elementary emission model. Complementing previous studies on π and η decays, we here concentrate on the strange K decays.


Decay Width Hyperfine Interaction Hadronic Decay Partial Decay Width Direct Term 
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Copyright information

© Springer-Verlag 1999

Authors and Affiliations

  • A. Krassnigg
    • 1
  • W. Plessas
    • 1
  • L. Theußl
    • 1
    • 2
  • K. Varga
    • 3
  • R. F. Wagenbrunn
    • 1
  1. 1.Institute for Theoretical PhysicsUniversity of GrazGrazAustria
  2. 2.Institut des Sciences NucléairesUniversité Joseph FourierGrenobleFrance
  3. 3.Theory DivisionArgonne National LaboratoryArgonneUSA

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