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Neutrino Physics in TeV Scale Gravity Theories

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arxiv 2206.00034 v1 pith:FMNWN7VO submitted 2022-05-31 hep-ph

Neutrino Physics in TeV Scale Gravity Theories

classification hep-ph
keywords neutrinotheoriesclassgeneralgravitymanymatrixpresented
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this paper, the general features of the neutrino sector in TeV scale quantum gravity theories, such as ADD and Many Species Theory, is investigated. This class of theories has an inherent way to generate small neutrino masses. After reviewing this mechanism it is generalized to a realistic three-flavour case. Furthermore, a procedure is presented how to diagonalize a mass matrix which is generated by this class of theories and how one can find the Standard Model flavour eigenstates. The developed general approach is applied to two specific scenarios within ADD and Many Species Theory and possible effects on neutrino oscillations and on unitarity of the lepton mixing matrix are calculated. Finally, a short overview of phenomenology which can be potentially testable by the nowadays neutrino experiments is presented.

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Cited by 2 Pith papers

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

  1. Searching for the $N$-naturalness tower of neutrinos

    hep-ph 2026-07 conditional novelty 6.0

    Neutrino data rule out the Majorana realization of N-naturalness with up to 10^4 sectors and fine-tuning r ≥ 0.1, including the no-fine-tuning GUT benchmark.

  2. Neutrino Masses and Phenomenology in Nnaturalness

    hep-ph 2025-02 unverdicted novelty 5.0

    Nnaturalness generates neutrino mass matrices through multi-sector mixing, excludes democratic couplings, and yields a tower of neutrino eigenstates with theory-determined mass splittings.