Radiative Neutrino Mass & Majorana Dark Matter within an Inert Higgs Doublet Model

Abstract

We consider an extension of the standard model (SM) with an inert Higgs doublet and three Majorana singlet fermions to address both origin and the smallness of neutrino masses and dark matter (DM) problems. In this setup, the lightest Majorana singlet fermion plays the role of DM candidate and the model parameter space can be accommodated to avoid different experimental constraints such as lepton flavor violating processes and electroweak precision tests. The neutrino mass is generated at one-loop level a la Scotogenic model and its smallness is ensured by the degeneracy between the CP-odd and CP-even scalar members of the inert doublet. Interesting signatures at both leptonic and hadronic colliders are discussed.

19 pages, 13 figures and 3 tables. Extended discussion on collider phenomenology of the model

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• Fermion Dark Matter with $N_2$ Leptogenesis in Minimal Scotogenic Model
• TeV Scale Leptogenesis with Dark Matter in Non-standard Cosmology
• Shining Light on the Scotogenic Model: Interplay of Colliders and Cosmology
• Minimal Two-component Scalar Doublet Dark Matter with Radiative Neutrino Mass
• Probing Multicomponent Extension of Inert Doublet Model with a Vector Dark Matter
• Self-interacting Dark Matter via Right Handed Neutrino Portal
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• Scalar dark matter and leptogenesis in the minimal scotogenic model
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• Primordial black holes and scotogenic dark matter
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• Scotogenic dark matter and single-zero textures of the neutrino mass matrix
• Lepton portal dark matter at muon colliders: Total rates and generic features for phenomenologically viable scenarios
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• Phenomenology of the Inert Doublet Model with a global U(1) symmetry
• A Natural Scotogenic Model for Neutrino Mass \& Dark Matter
• WIMPy Leptogenesis in Non-Standard Cosmologies
• Scalar Triplet Flavor Leptogenesis with Dark Matter
• Parametrization of the Yukawa matrix in the scotogenic model and single-zero textures of the neutrino mass matrix
• A new feasible dark matter region in the singlet scalar scotogenic model
• The Scale Invariant Scotogenic Model: Dark Matter and the Scalar Sector
• Searching for GeV-scale Majorana Dark Matter: inter spem et metum
• A Scotogenic Model with Two Inert Doublets
• Anomaly-free chiral $U(1{)}_D$ and its scotogenic implication
• Phenomenological and cosmological implications of a scotogenic three-loop neutrino mass model
• Two-loop radiative seesaw, muon $g-2$, and $\tau$-lepton-flavor violation with DM constraints
• One-loop Type II Seesaw Neutrino Model with Stable Dark Matter Candidates
• Dark matter for Majorana neutrinos in a ${\mathbb{Z}}_4$ symmetry
• D-dimensional self-gravitating lattice gas in general relativity
• Phenomenology of one zero texture Yukawa matrix in a flavor symmetric scotogenic model
• Type-3/2 Seesaw Mechanism
• Revisiting the scotogenic model with scalar dark matter
• Primordial black holes and lepton flavor violation with scotogenic dark matter
• Constraining scotogenic dark matter and primordial black holes using gravitational waves
• Phenomenology of the Hidden SU(2) Vector Dark Matter Model
• Type-III Scotogenic Model: Inflation, Dark Matter and Collider Phenomenology
• Feasibility to probe the dynamical scotogenic model at the LHC
• Phenomenology of Minimal Leptophilic Dark Matter Models at Linear Colliders