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A neutrino mass model with hidden U(1) gauge symmetry

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arxiv 1812.01240 v4 pith:ZBJOWMOL submitted 2018-12-04 hep-ph

A neutrino mass model with hidden U(1) gauge symmetry

classification hep-ph
keywords modelchargedgaugehiddenneutrinosymmetryallowedannihilation
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose a realisation of inverse seesaw model controlled by hidden $U(1)$ gauge symmetry, and discuss the impact of a bosonic dark matter (DM) candidate by imposing a $Z_2$ parity. We present the detail of scalar spectra and apply the Casas-Ibarra parametrisation to fit the neutrino oscillation data. For this model, the allowed region is extracted to explain the observed relic density and the muon $g-2$ discrepancy, satisfying flavor constraints with DM involved. We interpret the DM annihilation into $\bar f f $ including all SM charged fermions and investigate the direct detection to place the bound on DM-Higgs coupling. Finally the LHC DM production is explored in light of charged lepton pair signature plus missing transverse energy.

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