Neutrinoless double beta decays tell nature of right-handed neutrinos

Abstract

We consider the minimal seesaw model, the Standard Model extended by two right-handed neutrinos, for explaining the neutrino masses and mixing angles measured in oscillation experiments. When one of right-handed neutrinos is lighter than the electroweak scale, it can give a sizable contribution to neutrinoless double beta ($0\nu \beta \beta$) decay. We show that the detection of the $0\nu \beta \beta$ decay by future experiments gives a significant implication to the search for such light right-handed neutrino.

arXiv comment5 pages, 5 figures

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Cited by in corpus (2)

• A Survey of Neutrino Flavor Models and the Neutrinoless Double Beta Decay Funnel
• Neutrinoless double beta decay rates in the presence of light sterile neutrinos