Neutrino loops from neutrino mixing

Latosinski, Adam; Meissner, Krzysztof; Nicolai, Hermann

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Neutrino loops from neutrino mixing

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Meissner, Krzysztof
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Nicolai, Hermann
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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フルテキスト (公開)

1112.0134
(プレプリント), 115KB

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引用

Latosinski, A., Meissner, K., & Nicolai, H. (in preparation). Neutrino loops from neutrino mixing.

引用: https://hdl.handle.net/11858/00-001M-0000-0012-5E1C-F

要旨

We show how neutrino mixing leads to a softening of the UV behavior of neutrino loops, and can give rise to anomaly-like, but manifestly UV finite amplitudes. This mechanism may be of special significance for the coupling of dark matter-like particles to the Standard Model, as we illustrate with a one-loop example involving the coupling to $W$-bosons.