Two-loop Dirac neutrino mass and WIMP dark matter

We propose a “scotogenic” mechanism relating small neutrino mass and cosmological dark matter. Neutrinos are Dirac fermions with masses arising only in two-loop order through the sector responsible for dark matter. Two triality symmetries ensure both dark matter stability and strict lepton number co...

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Bibliographic Details
Main Authors: Cesar Bonilla, Ernest Ma, Eduardo Peinado, Jose W.F. Valle
Format: Article
Language:English
Published: Elsevier 2016-11-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269316305214