期刊
NUCLEAR PHYSICS B
卷 921, 期 -, 页码 250-315出版社
ELSEVIER
DOI: 10.1016/j.nuclphysb.2017.05.001
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资金
- Gottfried Wilhelm Leibniz program of the Deutsche Forschungsgemeinschaft (DFG)
- DFG cluster of excellence Origin and Structure of the Universe
We study experimental and cosmological constraints on the extension of the Standard Model by three right handed neutrinos with masses between those of the pion and W boson. We combine for the first time direct, indirect and cosmological constraints in this mass range. This includes experimental constraints from neutrino oscillation data, neutrinoless double beta decay, electroweak precision data, lepton universality, searches for rare lepton decays, tests of CKM unitarity and past direct searches at colliders or fixed target experiments. On the cosmological side, big bang nucleosynthesis has the most pronounced impact. Our results can be used to evaluate the discovery potential of searches for heavy neutrinos at LHCb, BELLE II, SHiP, ATLAS, CMS or a future lepton collider. (C) 2017 The Author(s). Published by Elsevier B.V.
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