Search for Nonstandard Neutrino Interactions with IceCube DeepCore

Understand

As atmospheric neutrinos propagate through the Earth, vacuum-like oscillations are modified by Standard-Model neutral- and charged-current interactions with electrons.

• Theories beyond the Standard Model introduce heavy, TeV-scale bosons that can produce nonstandard neutrino interactions.
• These additional interactions may modify the Standard Model matter effect producing a measurable deviation from the prediction for atmospheric neutrino oscillations.
• The result described in this paper constrains nonstandard interaction parameters, building upon a previous analysis of atmospheric muon-neutrino disappearance with three years of IceCube-DeepCore data.