Testing $\nu$MSM with indirect searches

Abstract

We consider neutrino Minimal extension of the Standard Model ($\nu$MSM), which by introducing only three sterile neutrinos in sub electroweak region can explain active neutrino oscillations (via seesaw type I mechanism), baryon asymmetry of the Universe (leptogenesis via oscillations) and dark matter phenomena (with keV-scale sterile neutrino forming dark matter). We estimate sterile neutrino virtual contributions to various lepton flavor and lepton number violating processes. The contributions are too small, giving no chance for indirect searches to compete with direct measurements in exploring $\nu$MSM.

13 pages, 4 figures; replaced with the journal version

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• Probing Leptogenesis
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• NA62 sensitivity to heavy neutral leptons in the low scale seesaw model
• The minimal seesaw and leptogenesis models
• Neutrinoless double $\beta$ decay and low scale leptogenesis
• On neutrinoless double beta decay in the $\nu$MSM
• Parameter space of baryogenesis in the $\nu$MSM
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• CP violations in a predictive $A_4$ symmetry model
• Investigating two heavy neutral leptons neutrino seesaw mechanism at SHiP
• Neutrinoless double beta decays tell nature of right-handed neutrinos