Majorana neutrinos in a warped 5D standard model
Stephan J. Huber, Qaisar Shafi
Abstract
We consider neutrino oscillations and neutrinoless double beta decay in a five dimensional standard model with warped geometry. Although the see-saw mechanism in its simplest form cannot be implemented because of the warped geometry, the bulk standard model neutrinos can acquire the desired (Majorana) masses from dimension five interactions. We discuss how large mixings can arise, why the large mixing angle MSW solution for solar neutrinos is favored, and provide estimates for the mixing angle Ue3. Implications for neutrinoless double beta decay are also discussed.
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