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Combining Flavour and CP Symmetries

Published under licence by IOP Publishing Ltd
, , Citation Ferruccio Feruglio 2013 J. Phys.: Conf. Ser. 447 012018 DOI 10.1088/1742-6596/447/1/012018

1742-6596/447/1/012018

Abstract

I shortly review the impact of the most recent neutrino oscillation data on our attempts to construct a realistic model for neutrino masses and mixing angles. Models based on anarchy and its variants remain an open possibility, reinforced by the latest experimental findings. Many models based on discrete symmetries no longer work in their simplest realizations. I illustrate several proposals that can rescue discrete symmetries. In particular I discuss the possibility of combining discrete flavour symmetries and CP, and I describe a recently proposed symmetry breaking pattern that allows to predict all mixing parameters, angles and phases, in terms of a single real unknown. I analyze several explicit examples of this construction, providing new realistic mixing patterns.

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10.1088/1742-6596/447/1/012018