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Scotogenic models with a general lepton flavor dependent U(1) gauge symmetry

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arxiv 2304.03905 v1 pith:LDL4NP4Y submitted 2023-04-08 hep-ph

Scotogenic models with a general lepton flavor dependent U(1) gauge symmetry

classification hep-ph
keywords fermionsmassdependentflavorleptonmodelsneutrinosinglet
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We discuss radiative neutrino mass models with a general lepton flavor dependent $U(1)$ gauge symmetry. The scotogenic model is adopted for neutrino mass generation in which $Z_2$ odd singlet fermions and an inert scalar doublet are introduced. A lepton flavor dependent local $U(1)$ symmetry is applied to realize two-zero texture of a Majorana mass matrix of $Z_2$ odd singlet fermions where we explore minimal construction choosing $U(1)$ charges of the standard model fermions and singlet fermions. Then we investigate neutrino mass matrix and show some predictions for constructed models, and discuss some phenomenological implications.

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