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Atmospheric neutrinos as probes of neutrino-matter interactions

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arxiv hep-ph/0408264 v2 pith:MRCHJZ5Z submitted 2004-08-24 hep-ph

classification hep-ph
keywords interactionsneutrinoatmosphericdataexperimentsneutrino-matternon-standardstandard
verification ladder T0 review T1 audit T2 compute T3 formal
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Neutrino oscillation experiments provide a unique tool for probing neutrino-matter interactions, especially those involving the tau neutrino. We describe the sensitivity of the present atmospheric neutrino data to these interactions in the framework of a three-flavor analysis. Compared to the two-flavor nu_mu-nu_tau analyses, we find qualitatively new features, in particular, that large non-standard interactions, comparable in strength to those in the Standard Model, can be consistent with the data. The existence of such interactions could imply a smaller value of the neutrino mixing angle and larger value of the mass-squared splitting than in the case of standard interactions only. This and other effects of non-standard interactions may be tested in the next several years by MINOS, KamLAND and solar neutrino experiments.

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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. Search for non-standard neutrino interactions with the first six detection units of KM3NeT/ORCA

    hep-ex 2024-11 conditional novelty 5.0 of 10

    No non-standard neutrino interactions were found in 5828 atmospheric neutrino events from KM3NeT/ORCA6, yielding 90% CL limits on four NSI coupling parameters.

  2. Physics of parameter correlations around the solar-scale enhancement in neutrino theory with unitarity violation

    hep-ph 2019-08 conditional novelty 5.0 of 10

    A new first-order perturbation theory for solar-scale neutrino oscillations with non-unitary mixing shows that δ and the non-unitarity α parameters form physical, convention-independent phase correlations.

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