Neutrino mass, Dark Matter and Baryon Asymmetry via TeV-Scale Physics without Fine-Tuning

Abstract

We propose an extended version of the standard model, in which neutrino oscillation, dark matter, and baryon asymmetry of the Universe can be simultaneously explained by the TeV-scale physics without assuming unnatural hierarchy among the mass scales. 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 guaranteed. The extra Higgs doublet is required not only for the tiny neutrino masses but also for successful electroweak baryogenesis. The model provides discriminative predictions especially in Higgs phenomenology, so that it is testable at current and future collider experiments.

4 pages including 3 figures; version with revised figures

References in corpus (3)

• Gauge Singlet Scalars as Cold Dark Matter
• Singlet fermion dark matter and electroweak baryogenesis with radiative neutrino mass
• Low Scale Leptogenesis and Dark Matter Candidates in an Extended Seesaw Model

Cited by in corpus (9)

• Models of Yukawa interaction in the two Higgs doublet model, and their collider phenomenology
• A Model of TeV Scale Physics for Neutrino Mass, Dark Matter and Baryon Asymmetry and its Phenomenology
• Reconciliation of CDM abundance and $\mu \to e\gamma$ in a radiative seesaw model
• The LHC Discovery Potential of a Leptophilic Higgs
• The Leptonic Higgs as a Messenger of Dark Matter
• Charged Higgs phenomenology in the lepton-specific two Higgs doublet model
• Anomaly Induced Dark Matter Decay and PAMELA/ATIC Experiments
• Variants of the Dark Left-Right Gauge Model: Neutrinos and Scotinos
• An extended Higgs sector for neutrino mass, dark matter and baryon asymmetry