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Título

Inverse tribimaximal type-III seesaw mechanism and lepton flavor violation

AutorValle, José W. F. ; Morisi, Stefano; Ibáñez Gil de Ramales, David
Fecha de publicaciónsep-2009
EditorAmerican Physical Society
CitaciónPhysical Review - Section D - Particles and Fields 80 (5): 053015 (2009)
ResumenWe present a type-III version of inverse seesaw or, equivalently an inverse version of type-III seesaw. Naturally small neutrino masses arise at low-scale from the exchange of neutral fermions transforming as hyperchargeless SU(2) triplets. In order to implement tri-bimaximal lepton mixing we supplement the minimal SU(3)xSU(2)xU(1) gauge symmetry with an A4-based flavor symmetry. Our scenario induces lepton flavour violating (LFV) three body decays that can proceed at the tree level, while radiative li to lj gamma decays and mu-e conversion in nuclei are also expected to be sizeable. LFV decays are related by the underlying flavor symmetry and the new fermions are also expected to be accessible for study at the Large Hadron Collider (LHC).
Versión del editorhttp://dx.doi.org/10.1103/PhysRevD.80.053015
URI10261/20808
DOI10.1103/PhysRevD.80.053015
ISSN1550-7998
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