Naive solution of the little hierarchy problem and its physical consequences

Details Naive solution of the little hierarchy problem and its physical consequences Naive solution of the little hierarchy problem and its physical consequences

2009-10-26

arxiv.org/abs/0910.4829v1

Acta Phys.Polon.B40:3007-3014,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures, Presented at the XXXIII International Conference of Theoretical Physics, "Matter to the Deepest: Recent De

Scientific paper

We argue that adding gauge-singlet real scalars to the Standard Model can both ameliorate the little hierarchy problem and provide a realistic source of Dark Matter. Masses of the scalars should be in the 1-3 TeV range, while the lowest cutoff of the (unspecified) UV completion of the model must be ~> 5 TeV, depending on the Higgs boson mass and the number of singlets present. The scalars couple to the Majorana mass term for right-handed neutrinos implying one massless neutrino. The resulting mixing angles are consistent with the tri-bimaximal mixing scenario.

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