Tri-bimaximal lepton mixing from symmetry only

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dc.creatorGrimus, W.
dc.creatorLavoura, L.
dc.date2008-11-28
dc.date2009-02-24
dc.date.accessioned2026-07-07T13:04:45Z
dc.date.available2026-07-07T13:04:45Z
dc.descriptionWe construct a model for tri-bimaximal lepton mixing which employs only family symmetries and their soft breaking; neither vacuum alignment nor supersymmetry, extra dimensions, or non-renormalizable terms are used in our model. It is an extension of the Standard Model making use of the seesaw mechanism with five right-handed neutrino singlets. The scalar sector comprises four Higgs doublets and one complex gauge singlet. The horizontal symmetry of our model is based on the permutation group S_3 of the lepton families together with the three family lepton numbers--united this constitutes a symmetry group Delta(6\infty^2). The model makes no predictions for the neutrino masses.
dc.description16 pages, no figures; references added, section 3 supplemented by discussion of the group structure of the model
dc.identifierhttps://arxiv.org/abs/0811.4766
dc.identifierhttp://arxiv.org/abs/0811.4766
dc.identifierJHEP 0904:013,2009
dc.identifierdoi:10.1088/1126-6708/2009/04/013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/227274
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTri-bimaximal lepton mixing from symmetry only
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