Dirac neutrino mass generation from dark matter

Abstract

In 2006, a simple extension of the Standard Model was proposed in which neutrinos obtain radiative Majorana masses at one-loop level from their couplings with dark matter, hence the term "scotogenic," from the Greek "scotos" meaning darkness. Here an analogous mechanism for Dirac neutrino masses is discussed in a minimal model. In different ranges of the parameter space, various candidates for dark matter are possible. In particular, the lightest Dirac fermion which appears in the loop diagram generating neutrino mass can be a viable dark matter candidate. Such a possibility does not exist for the Majorana case. Realistic neutrino mixing in the context of $A_4$ is discussed. A possible supersymmetric extension is also briefly discussed.

17 pages, 2 figures; v3: version to appear in PRD

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• Radiative Origin of All Quark and Lepton Masses through Dark Matter with Flavor Symmetry
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• Linear Seesaw for Dirac Neutrinos with $A_4$ Flavour Symmetry
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• Naturally Light Dirac Neutrino in Left-Right Symmetric Model
• Radiative Generation of Lepton Masses with the $U(1{)}^{\prime }$ Gauge Symmetry
• A Three-Loop Neutrino Model with Global $U(1)$ Symmetry
• Type II Dirac Seesaw with Observable $\Delta N_{\mathrm{eff}}$ in the light of W-mass Anomaly
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• Systematic Analysis of Dirac Neutrino Masses at Dimension Five
• Generalizing the Scotogenic model
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• Clockwork for Neutrino Masses and Lepton Flavor Violation
• Anomalous Higgs Yukawa Couplings
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• Two-loop Neutrino Model with Exotic Leptons
• Observable Signatures of Scotogenic Dirac Model
• Naturally Light Dirac and Pseudo-Dirac Neutrinos from Left-Right Symmetry
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• $\chi$aro$\nu$: a tool for neutrino flux generation from WIMPs
• Primordial black holes and scotogenic dark matter
• Peccei-Quinn symmetry for Dirac seesaw and leptogenesis
• Low scale Dirac leptogenesis and dark matter with observable $\Delta N_{\mathrm{eff}}$
• Leptonic Source of Dark Matter and Radiative Majorana or Dirac Neutrino Mass
• Scotogenic dark matter and single-zero textures of the neutrino mass matrix
• Dirac neutrino mass generation from Majorana messenger
• Loop suppressed light fermion masses with $U(1{)}_R$ gauge symmetry
• Survey of Texture Zeros with Light Dirac Neutrinos
• Magnetic Moments of Leptons, Charged Lepton Flavor Violations and Dark Matter Phenomenology of a Minimal Radiative Dirac Neutrino Mass Model
• Probing Models of Dirac Neutrino Masses via the Flavor Structure of the Mass Matrix
• Radiative Neutrino Mass in Alternative Left-Right Model
• Anomaly-free Abelian gauge symmetries with Dirac scotogenic models
• Dirac neutrinos in the 2HDM with restrictive Abelian symmetries
• Type I + II Seesaw in a Two Higgs Doublet Model
• Probing Pseudo-Dirac Neutrinos with Astrophysical Sources at IceCube
• New Laboratory Constraints on Neutrinophilic Mediators
• Dark Matter and $(g-2{)}_{\mu ,e}$ in radiative Dirac neutrino mass models
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• Probing Radiative Neutrino Mass Models Using Trilepton Channel at the LHC
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• Dark Matter in the Type Ib Seesaw Model
• Leptogenesis with testable Dirac neutrino mass generation
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• Flavor Seesaw Mechanism
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• Mirror symmetry: from active and sterile neutrino masses to baryonic and dark matter asymmetries
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• Radiative type-I seesaw model with dark matter via U(1)_{B-L} gauge symmetry breaking at future linear colliders
• Parametrization of the Yukawa matrix in the scotogenic model and single-zero textures of the neutrino mass matrix
• Exploring $0\nu \beta \beta$ and Leptogenesis in the Alternative Left-Right Model
• Constraining neutrino-DM interactions with Milky Way dwarf spheroidals and supernova neutrinos
• S.M.A.S.H.E.D.: Standard Model Axion Seesaw Higgs Inflation Extended for Dirac Neutrinos
• Radiative Seesaw Model with Degenerate Majorana Dark Matter
• Scalar Dark Matter and Radiative Dirac neutrino mass in an extended $U(1{)}_{B-L}$ model
• Freeze-In of radiative keV-scale neutrino dark matter from a new $\text{U}(1{)}_{\text{B-L}}$
• Time-delayed neutrino emission from supernovae as a probe of dark matter-neutrino interactions
• Radiative neutrino mass via fermion kinetic mixing
• Generalized Friedberg-Lee model for CP violation in neutrino physics
• Anomaly-free chiral $U(1{)}_D$ and its scotogenic implication
• Anomaly-free Abelian gauge symmetries with Dirac seesaws
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