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Experimental tests for the Babu-Zee two-loop model of Majorana neutrino masses

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Experimental tests for the Babu-Zee two-loop model of Majorana neutrino masses

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dc.contributor.author Aristizábal Sierra, Diego
dc.contributor.author Hirsch, Martin
dc.date.accessioned 2014-08-28T08:08:26Z
dc.date.available 2014-08-28T08:08:26Z
dc.date.issued 2006
dc.identifier.citation Aristizabal Sierra, D. Hirsch, Martin 2006 Experimental tests for the Babu-Zee two-loop model of Majorana neutrino masses Journal of High Energy Physics 2006 12 052
dc.identifier.uri http://hdl.handle.net/10550/37460
dc.description.abstract The smallness of the observed neutrino masses might have a radiative origin. Here we revisit a specific two-loop model of neutrino mass, independently proposed by Babu and Zee. We point out that current constraints from neutrino data can be used to derive strict lower limits on the branching ratio of flavour changing charged lepton decays, such as mu -> e gamma. Non-observation of Br(mu -> e gamma) at the level of 10(-13) would rule out singly charged scalar masses smaller than 590 GeV (5.04 TeV) in case of normal (inverse) neutrino mass hierarchy. Conversely, decay branching ratios of the non-standard scalars of the model can be fixed by the measured neutrino angles (and mass scale). Thus, if the scalars of the model are light enough to be produced at the LHC or ILC, measuring their decay properties would serve as a direct test of the model as the origin of neutrino masses.
dc.language.iso eng
dc.relation.ispartof Journal of High Energy Physics, 2006, vol. 2006, num. 12, p. 052
dc.subject Física
dc.title Experimental tests for the Babu-Zee two-loop model of Majorana neutrino masses
dc.type journal article es_ES
dc.date.updated 2014-08-28T08:08:26Z
dc.identifier.doi 10.1088/1126-6708/2006/12/052
dc.identifier.idgrec 084483
dc.rights.accessRights open access es_ES

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