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CP violation in light neutrino oscillations and heavy neutrino decays: a general and explicit seesaw-bridged correlation

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arxiv 2306.02362 v2 pith:YFN47C2I submitted 2023-06-04 hep-ph hep-ex

classification hep-phhep-ex
keywords neutrinoviolationcorrelationdecaysexplicitgeneralheavyoscillations
verification ladder T0 review T1 audit T2 compute T3 formal
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With the help of a block parametrization of the canonical seesaw flavor textures in terms of the Euler-like rotation angles and CP-violaing phases, we derive a general and explicit expression for the Jarlskog invariant of CP violation in neutrino oscillations and compare it with the CP-violating asymmetries of heavy Majorana neutrino decays within the minimal seesaw framework which contains two right-handed neutrino fields. Two simplified scenarios are discussed to illustrate how direct or indirect the correlation between these two types of CP violation can be.

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

    hep-ph 2024-12 conditional novelty 6.0 of 10

    The paper provides, for the first time, explicit analytical expressions for the two mass-squared differences, three mixing angles, and effective Dirac CP phase of the canonical seesaw mechanism in terms of its 18 para...

  2. 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.

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