Consistency of WIMP Dark Matter as radiative neutrino mass messenger

Abstract

The scotogenic scenario provides an attractive approach to both Dark Matter and neutrino mass generation, in which the same symmetry that stabilises Dark Matter also ensures the radiative seesaw origin of neutrino mass. However the simplest scenario may suffer from inconsistencies arising from the spontaneous breaking of the underlying ${\mathbb{Z}}_2$ symmetry. Here we show that the singlet-triplet extension of the simplest model naturally avoids this problem due to the presence of scalar triplets neutral under the ${\mathbb{Z}}_2$ which affect the evolution of the couplings in the scalar sector. The scenario offers good prospects for direct WIMP Dark Matter detection through the nuclear recoil method.

16 pages, 7 figures

References in corpus (5)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• Big-Bang Nucleosynthesis
• Neutrino oscillations refitted
• Lepton Flavor Violation in the singlet-triplet scotogenic model

Cited by in corpus (43)

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• Generalizing the Scotogenic model
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• A theory for scotogenic dark matter stabilised by residual gauge symmetry
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• Inert doublet as multicomponent dark matter
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