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A theory for scotogenic dark matter stabilised by residual gauge symmetry

AuthorsLeite, J.; Popov, O.; Srivastava, Rahul; Valle, J.W.F.
Issue DateJan-2020
PublisherElsevier BV
CitationPHYSICS LETTERS B 802: 135254 (2020)
AbstractDark matter stability can result from a residual matter-parity symmetry, following naturally from the spontaneous breaking of the gauge symmetry. Here we explore this idea in the context of the SU(3)⊗SU(3)⊗U(1)⊗U(1) electroweak extension of the standard model. The key feature of our new scotogenic dark matter theory is the use of a triplet scalar boson with anti-symmetric Yukawa couplings. This naturally implies that one of the light neutrinos is massless and, as a result, there is a lower bound for the 0νββ decay rate.
Publisher version (URL)http://dx.doi.org/10.1016/j.physletb.2020.135254
Identifiersdoi: 10.1016/j.physletb.2020.135254
issn: 0370-2693
Appears in Collections:(IFIC) Artículos
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