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arXiv · hep-ph/9405405

Neutrino Decay in the Doublet Majoron Model

Hisashi Kikuchi·Ernest Ma
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Abstract

A new Majoron model is presented within the framework of the seesaw mechanism. Its Higgs sector consists of only doublet representations and the lepton-number violation takes place at the same scale of the electroweak symmetry breaking. This model is different from the singlet- or triplet-Majoron model in several respects: it is free from the \(ρ\)-parameter constraint and it provides moderately fast neutrino decay, but the constraint from the stellar cooling of red giants is satisfied only with an imposed approximate symmetry. A \(τ\) neutrino as heavy as 10 MeV is possible in this model despite various cosmological and astrophysical constraints.

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Hisashi Kikuchi, Ernest Ma. 1994-06-06. Neutrino Decay in the Doublet Majoron Model. https://doi.org/10.1016/0370-2693(94)90376-x

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