Abstract
We investigate a model based on hidden U(1)X gauge symmetry in which neutrino mass is induced at one-loop level by effects of interactions among particles in hidden sector and the Standard Model leptons. Neutrino mass generation is also associated with U(1)X breaking scale which is taken to be low to suppress neutrino mass. Then we formulate neutrino mass matrix, lepton flavor violating processes and muon g − 2 which are induced via interactions among Standard Model leptons and particles in U(1)X hidden sector that can be sizable in our scenario. Carrying our numerical analysis, we show expected ratios for these processes when generated neutrino mass matrix can fit the neutrino data.
Highlights
Leptons which are associated with neutrino mass generation
We investigate a model based on hidden U(1)X gauge symmetry in which neutrino mass is induced at one-loop level by effects of interactions among particles in hidden sector and the Standard Model leptons
We have investigated a model based on hidden U(1)X gauge symmetry in which neutrino mass is induced at one-loop level by effects of interactions among particles in hidden sector and the SM leptons
Summary
We discuss mass spectrum in scalar sector of the model. Firstly, we consider scalar bosons associated with H and φ. Where α is the mixing angle, and h is identified as the SM-like Higgs boson. We consider mass spectrum of inert scalar bosons from S. We will take the mass difference to be as small as O(1) eV to O(100) eV, since μ is expected to be small as the corresponding operator breaks global symmetry in the potential and the scale of vφ is taken to be low. Such a tiny ∆mS suppresses neutrino mass
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