Model of neutrino effective masses

Details Model of neutrino effective masses Model of neutrino effective masses

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006phrvd..74g7701d&link_type=abstract

Physical Review D, vol. 74, Issue 7, id. 077701

Mathematics

Logic

3

Unified Theories And Models Of Strong And Electroweak Interactions, Extensions Of Electroweak Higgs Sector, Neutrino Mass And Mixing

Scientific paper

It is shown that an effective (nonrenormalizable) coupling of lepton multiplets to scalar triplets in the 331 model with sterile/exotic neutrinos, can be a good way for generating neutrino masses of different types. The method is simple and avoids radiative/loop calculations which, sometimes, are long and complicated. Basing on some astrophysical arguments it is also stated that the scale of SU(3)L symmetry breaking is at TeV scale, in agreement with earlier investigations. Or equivalently, starting from this symmetry breaking scale we could have sterile/exotic neutrinos with mass of a few keV’s which could be used to explain several astrophysical and cosmological puzzles, such as the dark matter, the fast motion of the observed pulsars, the re-ionization of the Universe, etc.

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