Neutrinophilic two Higgs doublet model with dark matter under an alternative U(1)B-L gauge symmetry
Abstract
We propose Dirac type active neutrino with rank two mass matrix and a Majorana fermion dark matter candidate with an alternative local U(1)B-L extension of neutrinophilic two Higgs doublet model. Our dark matter candidate can be stabilized due to charge assignment under the gauge symmetry without imposing extra discrete Z2 symmetry and the relic density is obtained from Z' boson exchanging process. Taking into account collider constraints on Z' boson mass and coupling, we estimate the relic density.
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