Schizophrenic active neutrinos and exotic sterile neutrinos |
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Authors: | ACB Machado V Pleitez |
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Institution: | Instituto de Física Teórica, Universidade Estadual Paulista, Rua Pamplona 145, 01405-900, São Paulo, SP, Brazil |
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Abstract: | We implement a schizophrenic scenario for the active neutrinos in a model in which there are also exotic right-handed neutrinos making a model with a local U(1)B−L anomaly free. Two of right-handed neutrinos carry B−L=−4 while the third one carries B−L=5. Unlike the non-exotic version of the model, in which all right-handed neutrinos carry the same B−L=−1 charge, in this case the neutrinos have their own scalar sector and no hierarchy in the Yukawa coupling in the Dirac mass term is necessary. |
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Keywords: | Neutrinos B&minus L L symmetry Quark and lepton masses and mixing |
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