Resonances in weak nonleptonic Omega- decay
Abstract
We examine the importance of JP = 1/2+, 1/2- resonances for weak nonleptonic Omega- decays within the framework of chiral perturbation theory. The spin-1/2 resonances are included into an effective theory and tree contributions to the Omega- decays are calculated. We find significant contributions to the decay amplitudes and satisfactory agreement with experiment. This confirms and extends previous results wherein such spin-1/2 resonances were included in nonleptonic and radiative-nonleptonic hyperon decays.
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