Linkage of Dirac Neutrinos to Dark U(1) Gauge Symmetry

Abstract

It is shown how a mechanism which allows naturally small Dirac neutrino masses is linked to the existence of dark matter through an anomaly-free U(1) gauge symmetry of fermion singlets.

arXiv comment9 pages, 2 figures, discussion expanded

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• Naturally Light Dirac Neutrinos from SU(6)
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• Dirac Neutrinos and Dark Matter within a Minimal Discrete Symmetry Model
• Connecting Dark Gauge Symmetry to the Standard Model
• Parallel Seesaw Mechanisms for Neutrinos and Freeze-In Long-Lived Dark Matter
• Type-II two-Higgs-doublet model in noncommutative geometry