Journal Articles Journal of High Energy Physics Year : 2013

Minimal lepton flavour structures lead to non-maximal 2-3 mixing

Abstract

Present data prefer a large but non-maximal 2-3 mixing in the lepton sector. We argue that this value, in connection with $\sin\theta_{13}\simeq 0.15$, is the generic outcome of minimal flavour structures. We present a few different incarnations of this statement, in terms of lepton mass matrices depending on a small number of parameters, that can be justified by discrete flavour symmetries. We also propose a general procedure to study the correlation between $\theta_{23}$, the absolute scale and ordering of the neutrino masses, and the leptonic CP-violating phases.
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hal-00803544 , version 1 (07-06-2021)

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Michele Frigerio, Albert Villanova del Moral. Minimal lepton flavour structures lead to non-maximal 2-3 mixing. Journal of High Energy Physics, 2013, 07, pp.146. ⟨10.1007/JHEP07(2013)146⟩. ⟨hal-00803544⟩
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