Neutrinophilic two Higgs doublet model with dark matter under an alternative $$U(1)_{B-L}$$ U(1)B-L gauge symmetry

Autor: Takaaki Nomura, Hiroshi Okada
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: European Physical Journal C: Particles and Fields, Vol 78, Iss 3, Pp 1-7 (2018)
Druh dokumentu: article
ISSN: 1434-6044
1434-6052
93143400
DOI: 10.1140/epjc/s10052-018-5667-6
Popis: Abstract We propose a Dirac type active neutrino with rank two mass matrix and a Majorana fermion dark matter candidate with an alternative local $$U(1)_{B-L}$$ 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 $$Z_2$$ Z2 symmetry and the relic density is obtained from an $$Z'$$ Z′ boson exchanging process. Taking into account collider constraints on the $$Z'$$ Z′ boson mass and coupling, we estimate the relic density.
Databáze: Directory of Open Access Journals
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