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Parametrization of PMNS matrix based on dodeca-symmetry

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arxiv 1106.6117 v1 pith:7FYJ6AAD submitted 2011-06-30 hep-ph

classification hep-ph
keywords betaparameterssmallthetadodecaleadingpmnsangle
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abstract

The dodeca symmetry is designed to obtain the Cabibbo angle $\theta_C^{\rm CKM}$ approximately $15^{\rm o}$ and the (11) element of $\Vp$ as $\cos 30^{\rm o}$, leading to $\theta_1^{\rm PMNS}+\theta_C^{\rm CKM}\simeq 45^{\rm o}$. This leading order dodeca symmetric $\Vp$ is corrected by small parameters, especially as an expansion in terms of a small parameter $\beta$. Neglecting two Majorana phases, the expression of $\Vp$ contains four parameters: a small $\beta$, and three $\Od(1)$ parameters $A,B,$ and $\delta$. From the neutrino oscillation data, we present two parametrizations and estimate their $\beta$'s.

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

  1. Bi-Constructible pattern of weak and flavour mixing: implications for electroweak coupling constants

    physics.gen-ph 2025-07 reject novelty 4.0 of 10

    The paper fits particle mixing angles and the fine-structure constant to angles of constructible polygons (pentagon and heptadecagon), but offers no dynamical derivation.

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