SOME REMARKS ON NEUTRINO DECAY VIA A NAMBU-GOLDSTONE BOSON

Abstract

The argument that the decay ν i →ν j +ϕ is suppressed in triplet majoron models by lepton number conservation is re-examined. It is found that in general the decay rates for ν i →ν j +ϕ and for [Formula: see text] should be of comparable magnitudes.