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Volume 341 - The 20th International Workshop on Neutrinos (NuFACT2018) - Wg 5
Neutrino Oscillations in Dark Backgrounds
L. Vecchi
Full text: pdf
Pre-published on: 2019 October 15
Published on: 2019 December 12
The dynamics that completes the SM must be either very heavy or very weakly-coupled to us: in either case its effects decouple from experiments, thus explaining the absence of any direct evidence so far. In this note we argue that neutrino oscillation experiments are sensitive to very feeble interactions between the SM and dark sectors, as long as these are very light. This offers a unique probe of light new physics sectors coupled to us via the neutrino portal.
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