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Neutrino-Mass Hierarchies and Non-linear Representation of Lepton-Flavour Symmetry
Lepton-flavour symmetry in the Standard Model is broken by small masses for charged leptons and neutrinos. Introducing neutrino masses via dimension-5 operators associated to lepton-number violation at a very high scale, the corresponding coupling matrix may still have entries of order 1, resembling...
Autores principales: | , |
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Lenguaje: | eng |
Publicado: |
2008
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.78.036009 http://cds.cern.ch/record/1108413 |