A Model of TeV Scale Physics for Neutrino Mass, Dark Matter and Baryon Asymmetry and its Phenomenology

Abstract

We discuss some details for the model proposed in Ref. \cite{aks-prl}, in which neutrino oscillation, dark matter, and baryon asymmetry of the Universe can be simultaneously explained by the TeV-scale physics without introducing very high mass scales. An exact discrete $Z_2$ symmetry is introduced, under which new particle contents (a real singlet scalar field, a pair of charged singlet scalar fields and TeV-scale right-handed neutrinos) are assigned to have odd quantum number, whereas ordinary gauge fields, quarks and leptons, and two Higgs doublets are even. Tiny neutrino masses are generated at the three loop level due to the exact $Z_2$ symmetry, by which stability of the dark matter candidate is also guaranteed. The extra Higgs doublet is required not only for the tiny neutrino masses but also for successful electroweak baryogenesis. We discuss phenomenological properties of the model, and find that there are successful scenarios in which above three problems are solved simultaneously under the constraint from current experimental data. We then discuss predictions in such scenarios at ongoing and future experiments. It turns out that the model provides discriminative predictions especially in Higgs physics and dark matter physics, so that it is testable in near future.

Version accepted for publication in Physical Review D, 43 pages, 23 figures. Revised Figs.13 and 14, minor errors and typos corrected, added footnotes

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• A Three-Loop Model of Neutrino Mass with Dark Matter
• Bounds on the mass of doubly-charged Higgs bosons in the same-sign diboson decay scenario
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• An R-parity conserving radiative neutrino mass model without right-handed neutrinos
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• Interplay between neutrino and gravity portals for FIMP dark matter
• Probing extended Higgs sectors by the synergy between direct searches at the LHC and precision tests at future lepton colliders
• Galactic Center gamma-ray excess from two-Higgs-doublet-portal dark matter
• Complementarity in direct searches for additional Higgs bosons at the LHC and the International Linear Collider
• Neutrino Masses from Loop-induced $d\ge 7$ Operators
• Cascade Seesaw for Tiny Neutrino Mass
• Testing Higgs portal dark matter via $Z$ fusion at a linear collider
• Dark matter in the supersymmetric radiative seesaw model with an anomalous U(1) symmetry
• Phenomenological constraints on minimally coupled exotic lepton triplets
• Phenomenology of Scalar Leptoquarks at the LHC in Explaining the Radiative Neutrino Mass, Muon $g-2$ and Lepton Flavour Violating Observables
• Radiative neutrino mass, dark matter and electroweak baryogenesis from the supersymmetric gauge theory with confinement
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• Signals of dark matter in a supersymmetric two dark matter model
• Testing neutrino mass generation mechanisms from the lepton flavor violating decay of the Higgs boson
• Dark Matter in the Type Ib Seesaw Model
• The Scale Invariant Scotogenic Model: Dark Matter and the Scalar Sector
• Extended Higgs Sectors in Radiative Neutrino Models
• Leptogenesis, Dark Matter and Gravitational Waves from Discrete Symmetry Breaking
• A Scotogenic Model with Two Inert Doublets
• Neutrino masses from SUSY breaking in radiative seesaw models
• Neutrino Mass, Dark Matter and Baryon Asymmetry without Lepton Number Violation
• Phenomenological and cosmological implications of a scotogenic three-loop neutrino mass model
• Electroweak baryogenesis in the three-loop neutrino mass model with dark matter
• Identifying the nature of dark matter at $e^{-}{e}^{+}$ Colliders
• Astrophysical aspects of milli-charged dark matter in a Higgs-Stueckelberg model
• Probing doubly charged scalar bosons from the doublet at future high-energy colliders
• Light dark matter around 100 GeV from the inert doublet model
• Forbidden neutrinogenesis
• BSM Matter providing Neutrino Masses and Gauge Unification
• Radiative neutrino masses: A window to new physics
• Neutrino masses, dark matter and baryon asymmetry of the Universe