Strangeness Dependence in Radiative Hyperon Decay Amplitudes

Details Strangeness Dependence in Radiative Hyperon Decay Amplitudes Strangeness Dependence in Radiative Hyperon Decay Amplitudes

1996-10-25

arxiv.org/abs/hep-ph/9610484v1

Nucl.Phys. A615 (1997) 291-304

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages Latex, no figures

Scientific paper

10.1016/S0375-9474(96)00485-X

The radiative decays of the $(3/2)^+$ baryons are studied in the three flavor generalization of the Skyrme model. The kaon fields are treated in the slow rotator approach which properly accounts for the observed deviations from the $U$-spin relations for the hyperon magnetic moments. This makes possible a critical discussion of the $U$-spin selection rules for the radiative hyperon decays. The variation of the decay widths with strangeness is studied and a comparison with other treatments of the $SU(3)$ Skyrme model is performed in order to analyze the effects of flavor symmetry breaking.

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