Radiative Seesaw in SO(10) with Dark Matter

Details Radiative Seesaw in SO(10) with Dark Matter Radiative Seesaw in SO(10) with Dark Matter

2011-06-21

arxiv.org/abs/1106.4137v2

Phys. Lett. B 704 (2011) 206-210

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages LaTex, no figures.hep-ph, astro-ph, hep-th; Version accepted in Phys. Lett. B

Scientific paper

10.1016/j.physletb.2011.09.016

High energy accelerators may probe into dark matter and the seesaw neutrino mass scales if they are not much heavier than ~O(TeV). In the absence of supersymmetry, we extend a class of SO(10) models to predict well known cold dark matter candidates while achieving precision unification with experimentally testable proton lifetime. The most important prediction is a new radiative seesaw formula of Ma type accessible to accelerator tests while the essential small value of its quartic coupling also emerges naturally. This dominates over the high-scale seesaw contributions making a major impact on neutrino physics and dark matter, opening up high prospects as a theory of fermion masses.

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