Phenomenology of 3-3-1 models with radiative inverse seesaw mechanism

Abstract

We propose two models based on the $SU(3{)}_C\times SU(3{)}_L\times U(1{)}_X$ gauge symmetry, each incorporating distinct inverse seesaw mechanisms for generating neutrino masses at the radiative level. Therefore, neutrino masses are suppressed by the radiative nature of the mass generation mechanism, which occurs after the spontaneous breaking of the global lepton number symmetry. Both scenarios discussed here are characterized by the presence of vector-like charged leptons, which are involved in generating the masses of the Standard Model charged leptons. These additional vector-like fermions contribute to the anomalous magnetic moments of the electron and the muon. We perform a detailed analysis of the scalar sectors, show that these models can successfully accommodate the observed baryon asymmetry through resonant leptogenesis, and compute charged lepton flavor-violating decays, such as $\mu \to e\gamma$. We discuss the constraints of the model arising from these processes and those associated the non-unitarity of the lepton mixing matrix.

27 pages, 7 captioned figures

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Cited by in corpus (3)

• The Muon Magnetic Moment and Physics Beyond the Standard Model
• Radiative corrections to the $\mathrm{S},\mathrm{T},\mathrm{U}$ parameters and their impact on the $W$ boson mass in the 331 model
• Fermion masses and mixings and charged lepton flavor violation in a 3-3-1 model with inverse seesaw