Hyperon neutrinoless double beta decays in chiral perturbation theory
Abstract
We study the neutrinoless double beta decays of spin-1/2 hyperons, B1- B2+ - - with B1-∈ \-,-\ and B2+∈\p,+\, which violate lepton number by two units. The decay amplitudes are computed within covariant baryon chiral perturbation theory at the one-loop level. Dalitz plots of the squared amplitude for six physical decay processes are presented in this proceeding, while a detailed numerical analysis will be presented in a forthcoming publication.
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