LHC signals of radiatively-induced neutrino masses and implications for the Zee-Babu model
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LHC signals of radiatively-induced neutrino masses and implications for the Zee-Babu model

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LHC signals of radiatively-induced neutrino masses and implications for the Zee-Babu model

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dc.contributor.author Alcaide, Julien
dc.contributor.author Chala, Mikael
dc.contributor.author Santamaria, Arcadi
dc.date.accessioned 2019-01-16T15:04:18Z
dc.date.available 2019-01-16T15:04:18Z
dc.date.issued 2018
dc.identifier.uri http://hdl.handle.net/10550/68503
dc.description.abstract Contrary to the see-saw models, extended Higgs sectors leading to radiatively-induced neutrino masses do require the extra particles to be at the TeV scale. However, these new states have often exotic decays, to which experimental LHC searches performed so far, focused on scalars decaying into pairs of same-sign leptons, are not sensitive. In this paper we show that their experimental signatures can start to be tested with current LHC data if dedicated multi-region analyses correlating different observables are used. We also provide high-accuracy estimations of the complicated Standard Model backgrounds involved. For the case of the Zee-Babu model, we show that regions not yet constrained by neutrino data and low-energy experiments can be already probed, while most of the parameter space could be excluded at the 95% C.L. in a high-luminosity phase of the LHC.
dc.language.iso eng
dc.relation.ispartof Physics Letters B, 2018, vol. 779, p. 107-116
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Alcaide, Julien Chala, Mikael Santamaria, Arcadi 2018 LHC signals of radiatively-induced neutrino masses and implications for the Zee-Babu model Physics Letters B 779 107 116
dc.subject Partícules (Física nuclear)
dc.title LHC signals of radiatively-induced neutrino masses and implications for the Zee-Babu model
dc.type info:eu-repo/semantics/article
dc.date.updated 2019-01-16T15:04:19Z
dc.identifier.doi https://doi.org/10.1016/j.physletb.2018.02.001
dc.identifier.idgrec 127701

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