One-loop neutrino mass model without any additional symmetries

Abstract

We propose a radiative seesaw model at one-loop level, introducing fields with large multiplet of $SU(2{)}_L$. Thanks to large representations, any additional symmetries are not needed. In this framework, we formulate lepton and new fermion sector such as mass matrices, LFVs, and muon $g-2$. Furthermore, we show our cut-off scale via RGEs of $SU(2{)}_L$, and numerical analysis at a benchmark point included in dark matter candidate. Finally, we brief discuss possibility to detect at colliders.

15 pages, 5 figures. published version

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