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Confronting the seesaw mechanism with neutrino oscillations: a general and explicit analytical bridge

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arxiv 2412.17698 v3 pith:77HU75O3 submitted 2024-12-23 hep-ph hep-ex

classification hep-phhep-ex
keywords mechanismneutrinoseesawanalyticalexplicitflavorgeneraloscillations
verification ladder T0 review T1 audit T2 compute T3 formal
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With the help of a full Euler-like block parametrization of the flavor structure for the canonical seesaw mechanism, we present the first general and explicit analytical calculations of the two neutrino mass-squared differences, three flavor mixing angles and the effective Dirac CP-violating phase responsible for the primary behaviors of neutrino oscillations. Such model-independent results will pave the way for testing the seesaw mechanism at low energies.

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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. Wigner-like Parametrization of Canonical Seesaw Models

    hep-ph 2025-02 conditional novelty 5.0 of 10

    A Wigner/CS decomposition of the 6x6 seesaw mixing matrix is developed, showing that the light-heavy hierarchy is carried by three tiny rotation angles and all remaining model freedom by four unitary matrices.

  2. Emergent large flavor mixing from canonical and inverse seesaws?

    hep-ph 2025-02 conditional novelty 3.0 of 10

    Large neutrino mixing is not fixed by the seesaw mechanism's mass eigenvalues, so it must arise from additional flavor structure, and the inverse seesaw needs a fine-tuned cancellation.

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