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Observable flavor violation from spontaneous lepton number breaking
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Observable flavor violation from spontaneous lepton number breaking
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| Escribano, Pablo; Hirsch, Martin; Nava, Jacopo; Vicente Montesinos, Avelino | |||
| Aquest document és un/a article, creat/da en: 2022 | |||
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| We propose a simple model of spontaneous lepton number violation with potentially large flavor violating decays, including the possibility that majoron emitting decays, such as μ-> e J, saturate the experimental bounds. In this model the majoron is a singlet-doublet admixture. It generates a type-I seesaw for neutrino masses and contains also a vector-like lepton. As a by-product, the model can explain the anomalous (g - 2)(mu), in parts of its parameter space, where one expects that the branching ratio of the Higgs to muons is changed with respect to Standard Model expectations. However, the explanation of the muon g - 2 anomaly would lead to tension with recent astrophysical bounds on the majoron coupling to muons. | |||
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