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|Title:||A simplest A4 model for Tri-Bimaximal neutrino mixing||Authors:||Altarelli, Guido
|Keywords:||A(4) family symmetry
|Issue Date:||2009||Publisher:||Institute of Physics Publishing Ltd.||Source:||45 (Source: SPIRES, Date 7.7.2010)||Abstract:||We present a see-saw A(4) model for Tri-Bimaximal mixing which is based on a very economical flavour symmetry and field content and still possesses all the good features of A(4) models. In particular the charged lepton mass hierarchies are determined by the A(4) x Z(4) flavour symmetry itself without invoking a Froggatt-Nielsen U(1)symmetry. Tri-Bimaximal mixing is exact in leading order while all the mixing angles receive corrections of the same order in next-to-leading approximation. As a consequence the predicted value of theta(13) is within the sensitivity of the experiments which will take data in the near future. The light neutrino spectrum, typical of A(4) see-saw models, with its phenomenological implications, also including leptoproduction, is studied in detail.||Description:||Citazioni 45 (Source: SPIRES, Date 7.7.2010)||URI:||http://hdl.handle.net/2307/278||ISSN:||0954-3899||DOI:||10.1088/0954-3899/36/8/085005|
|Appears in Collections:||A - Articolo su rivista|
X_Dipartimento di Fisica 'Edoardo Amaldi'
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