A broken-SU(3) fit with eight parameters reproduces the observed hyperon radiative decay data and predicts a sizable negative Xi- -> Sigma- gamma asymmetry that current data do not rule out.
Nardulli,A Pole Model Calculation of Weak Radiative Hyperon Decays,Phys
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Unraveling weak radiative hyperon decays with broken flavor symmetry
A broken-SU(3) fit with eight parameters reproduces the observed hyperon radiative decay data and predicts a sizable negative Xi- -> Sigma- gamma asymmetry that current data do not rule out.