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Constraining a general U(1)^prime inverse seesaw model from vacuum stability, dark matter and collider

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arxiv 1905.00201 v2 pith:KNCWMEF4 submitted 2019-05-01 hep-ph

Constraining a general U(1)^prime inverse seesaw model from vacuum stability, dark matter and collider

Arindam Das , Srubabati Goswami , Vishnudath K. N. , Takaaki Nomura This is my paper
classification hep-ph
keywords modeldarkfermionsmatterboundschargescolliderconstraints
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We consider a class of gauged $U(1)$ extensions of the Standard Model (SM), where the light neutrino masses are generated by an inverse seesaw mechanism. In addition to the three right handed neutrinos, we add three singlet fermions and demand an extra $Z_2$ symmetry under which, the third generations of both of the neutral fermions are odd, which in turn gives us a stable dark matter candidate. We express the $U(1)$ charges of all the fermions in terms of the U(1) charges of the standard model Higgs and the new complex scalar. We study the bounds on the parameters of the model from vacuum stability, perturbative unitarity, dark matter relic density and direct detection constraints. We also obtain the collider constraints on the $Z'$ mass and the $U(1)'$ gauge coupling. Finally we compare all the bounds on the $Z'$ mass versus the $U(1)'$ gauge coupling plane.

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Cited by 2 Pith papers

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  1. Multi-component Dark Matter in a Novel Three-Loop Inverse Scotogenic Seesaw Model

    hep-ph 2026-07 conditional novelty 6.0

    A three-loop inverse scotogenic seesaw with residual Z2⊗Z3 yields viable multi-component dark matter and approximate resonant leptogenesis while fitting neutrino and CLFV bounds.

  2. Physical implications of a double right-handed gauge symmetry

    hep-ph 2026-01 unverdicted novelty 6.0

    A double right-handed U(1) gauge extension generates the Standard Model fermion mass hierarchy at tree and loop levels and stabilizes a viable scalar singlet dark matter particle consistent with relic density and dire...