A radiatively induced neutrino mass model with hidden local $U(1)$ and LFV processes ${\ell }_i\to {\ell }_j\gamma$, $\mu \to e{Z}^{\prime }$ and $\mu e\to ee$

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.

19 pages, 11 figures

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• Search for Lepton Flavor Violating Decay at FASER
• Type-3/2 Seesaw Mechanism
• Electron Beam Dump Constraints on Light Bosons with Lepton Flavor Violating Couplings
• The Forward Physics Facility at the High-Luminosity LHC
• LHC signatures of sterile neutrinos in a minimal radiative extended seesaw framework