Abstract:
The discrepancies found between S-wave and P-wave fits for hyperon decays are
reinvestigated using the heavy baryon chiral Lagrangian formalism.
The agreement is found to improve through the inclusion of previously omitted
diagrams. The S-waves are unaffected by this, but the P-wave predictions are
modified. A correlated fit to the chiral parameters is performed and the
results discussed.
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