Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-11-03
Phys.Rev.D77:093013,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
50 pages, 18 figures. New data from BELLE and BABAR included in the analysis. New figures
Scientific paper
10.1103/PhysRevD.77.093013
We analyze the viability of the Zee-Babu model as an explanation of observed neutrino masses and mixings and the possibility that the model is confirmed or discarded in experiments planned for the very close future. The allowed parameter space is studied analytically by using some approximations and partial data. Then, a complete scanning of all parameters and constraints is performed numerically by using Monte Carlo methods. The cleanest signal of the model will be the detection of the doubly charged scalar at the LHC and its correlation with measurements of the branching ratio of $\mu\to e\gamma$ at the MEG experiment. In addition, the model offers interesting predictions for $\tau^{-}\to\mu^{+}\mu^{-}\mu^{-}$ experiments, lepton-hadron universality tests, the $\theta_{13}$ mixing in neutrino oscillations and the $
Nebot Miguel
Oliver Josep F.
Palao David
Santamaria Arcadi
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