Lepton Number Violation with Quasi Dirac Neutrinos
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Lepton Number Violation with Quasi Dirac Neutrinos

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Lepton Number Violation with Quasi Dirac Neutrinos

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Furtado Valle, José Wagner Perfil; Singer, Mark
Aquest document és un/a article, creat/da en: 1983
We investigate lepton-number violation in weak interactions with massive Dirac neutrinos. In the framework of a simple SU(3)L×U(1) electroweak model we find that neutrinos naturally acquire only Dirac masses at tree level, and for an odd number of lepton families, one neutrino remains massless. After a spontaneous breakdown of symmetry we find that the SU(2)×U(1) effective theory has lepton-number-violating currents which couple to the standard gauge bosons. Flavorconserving |Δl|=2 processes such as neutrinoless double-β decay are forbidden in the simplest model, but processes such as μ-+(A, Z)-->e++(A, Z-2) and K--->π+e-μ- are allowed.

    Furtado Valle, José Wagner Singer, Mark 1983 Lepton Number Violation with Quasi Dirac Neutrinos Physical Review D 28 3 540 545
http://dx.doi.org/10.1103/PhysRevD.28.540
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