Neutrino mass ordering obscured by non-standard interactions

Capozzi, F.; Chatterjee, S.S.; Palazzo, A.

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Neutrino mass ordering obscured by non-standard interactions

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Capozzi, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Chatterjee, S.S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Palazzo, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

Capozzi, F., Chatterjee, S., & Palazzo, A. (2020). Neutrino mass ordering obscured by non-standard interactions. Physical Review Letters, 124, 111801. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2019-178.

Cite as: https://hdl.handle.net/21.11116/0000-0008-1B59-7

Abstract

The recent data of the two long baseline experiments NO$\nu$A and T2K, interpreted in the standard 3-flavor scenario, provide a $\sim2.4\sigma$ indication in favor of the normal neutrino mass ordering. We show that such an indication is completely washed out if one assumes the existence of neutral-current non-standard interactions (NSI) of the flavor changing type involving the $e-\tau$ flavors.