Journal
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
Volume 188, Issue -, Pages 345-347Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysbps.2009.02.081
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The approximated tri-bimaximal mixing (TBM) observed in the nu oscillations is a particular feature of a class of models characterized by the spontaneously broken horizontal flavour symmetry A(4). In this paper, it is presented an analysis on the predictions of these models for relevant low-energy observables. In an effective operator approach, these effects are dominated by dim-6 operators, suppressed by the scale M of new physics (NP). Indications for M and an upper bound on theta(13) of a few percent are found.
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