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Título

A4-based tri-bimaximal mixing within inverse and linear seesaw schemes

AutorHirsch, Martin ; Morisi, Stefano; Valle, José W. F.
Fecha de publicación7-sep-2009
EditorElsevier
CitaciónPhysics Letters - Section B 679 (5): 454-459 (2009)
ResumenWe consider tri-bimaximal lepton mixing within low-scale seesaw schemes where light neutrino masses arise from TeV scale physics, potentially accessible at the Large Hadron Collider (LHC). Two examples are considered, based on the A4 flavor symmetry realized within the inverse or the linear seesaw mechanisms. Both are highly predictive so that in both the light neutrino sector effectively depends only on three mass parameters and one Majorana phase, with no CP violation in neutrino oscillations. We find that the linear seesaw leads to a lower bound for neutrinoless double beta decay while the inverse seesaw does not. The models also lead to potentially sizeable decay rates for lepton flavor violating processes, tightly related by the assumed flavor symmetry.
Versión del editorhttp://dx.doi.org/10.1016/j.physletb.2009.08.003
URIhttp://hdl.handle.net/10261/20801
DOI10.1016/j.physletb.2009.08.003
ISSN0370-2693
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