Abstract
Neutrinos can acquire mass through the see-saw mechanism by extending the lepton sector of the Standard Model. The most generalSU(2) L assignments allowed for the exotic leptons are the singlet and triplet representations. A model is constructed involving a triplet of exotic leptons. In this model lepton number is broken. Therefore lepton number violating processes, in particular those involving the lepton triplet, could provide distinctive experimental signatures.
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Foot, R., Lew, H., He, X.G. et al. See-saw neutrino masses induced by a triplet of leptons. Z. Phys. C - Particles and Fields 44, 441–444 (1989). https://doi.org/10.1007/BF01415558
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DOI: https://doi.org/10.1007/BF01415558