Journal
PHYSICS LETTERS B
Volume 763, Issue -, Pages 393-396Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2016.10.070
Keywords
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Funding
- JSPS [15H01031, 25400249]
- Grants-in-Aid for Scientific Research [15H01031] Funding Source: KAKEN
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Heavy Majorana neutrinos are predicted in addition to ordinary active neutrinos in the models with the seesaw mechanism. We investigate the lepton number violation (LNV) in B decays induced by such a heavy neutrino Nwith GeV- scale mass. Especially, we consider the decay channel B+ -> mu(+) N -> mu(+) mu(+) pi(-) and derive the sensitivity limits on the mixing angle Theta(mu) by the future search experiments at Belle II and in e(+) e(-) collisions at the Future Circular Collider (FCC-ee). (C) 2016 The Author(s). Published by Elsevier B.V.
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