The Zee-Babu Model revisited in the light of new data

Abstract

We update previous analyses of the Zee-Babu model in the light of new data, e.g., the mixing angle ${\theta }_{13}$, the rare decay $\mu \to e\gamma$ and the LHC results. We also analyse the possibility of accommodating the deviations in $\Gamma (H\to \gamma \gamma )$ hinted by the LHC experiments, and the stability of the scalar potential. We find that neutrino oscillation data and low energy constraints are still compatible with masses of the extra charged scalars accessible to LHC. Moreover, if any of them is discovered, the model can be falsified by combining the information on the singly and doubly charged scalar decay modes with neutrino data. Conversely, if the neutrino spectrum is found to be inverted and the CP phase $\delta \ne \pi$, the masses of the charged scalars will be well outside the LHC reach.

40 pages, 11 figures. Minor changes, improved RGE discussion; matches published version

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Cited by in corpus (64)

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• Charged scalars confronting neutrino mass and muon g-2 anomaly
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• Radiative Electroweak Symmetry Breaking in Standard Model Extensions
• Neutrino masses from new seesaw models: Low-scale variants and phenomenological implications
• A testable radiative neutrino mass model with multi-charged particles
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• Higgs portal dark matter and neutrino mass and mixing with a doubly charged scalar
• Baryogenesis and gravitational waves in the Zee-Babu Model
• Lepton Flavour Violation in a radiative neutrino mass model with the asymmetric Yukawa structure
• LHC sensitivity to singly-charged scalars decaying into electrons and muons
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