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The solar LMA neutrino oscillation solution in the Zee model

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arxiv hep-ph/0104035 v2 pith:J6SYFE63 submitted 2001-04-03 hep-ph

classification hep-ph
keywords neutrinosolarmixingsimeqthetaanglemassmodel
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abstract

We examine the neutrino mass matrix in the version of Zee model where both Higgs doublets couple to the leptons. We show that in this case one can accommodate the large mixing angle (LMA) MSW solution of the solar neutrino problem, while avoiding maximal solar mixing and conflicts with constraints on lepton family number-violating interactions. In the simplified scenario we consider, we have the neutrino mass spectrum characterized by $m_1 \simeq m_2 \simeq \sqrt{\Delta m^2_\mathrm{atm}}/\sin 2\theta$ and $m_3/m_1 \simeq \cos 2\theta$, where $\theta$ is the solar mixing angle.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Flavoured leptogenesis and ${\rm CP}^{\mu\tau}$ symmetry

    hep-ph 2019-08 conditional novelty 5.0 of 10

    In CPmu-tau symmetric seesaw models, flavoured leptogenesis works with M2/M1 as low as 4.7, lowering the old lower bound on M1 to about 7.5e9 GeV and allowing N2-dominated scenarios in roughly a quarter of the paramet...

  2. Rolling Down the Leptonic BSM Landscape Using Machine Learning Techniques

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Machine learning optimization is applied to find parameters yielding neutrino mass matrices with target textures in BSM leptonic models.

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