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Search for nonstandard neutrino interactions with IceCube DeepCore

  • Author(s): Aartsen, MG
  • Ackermann, M
  • Adams, J
  • Aguilar, JA
  • Ahlers, M
  • Ahrens, M
  • Al Samarai, I
  • Altmann, D
  • Andeen, K
  • Anderson, T
  • Ansseau, I
  • Anton, G
  • Argüelles, C
  • Auffenberg, J
  • Axani, S
  • Bagherpour, H
  • Bai, X
  • Barron, JP
  • Barwick, SW
  • Baum, V
  • Bay, R
  • Beatty, JJ
  • Becker Tjus, J
  • Becker, KH
  • Benzvi, S
  • Berley, D
  • Bernardini, E
  • Besson, DZ
  • Binder, G
  • Bindig, D
  • Blaufuss, E
  • Blot, S
  • Bohm, C
  • Börner, M
  • Bos, F
  • Bose, D
  • Böser, S
  • Botner, O
  • Bourbeau, E
  • Bourbeau, J
  • Bradascio, F
  • Braun, J
  • Brayeur, L
  • Brenzke, M
  • Bretz, HP
  • Bron, S
  • Brostean-Kaiser, J
  • Burgman, A
  • Carver, T
  • Casey, J
  • Casier, M
  • Cheung, E
  • Chirkin, D
  • Christov, A
  • Clark, K
  • Classen, L
  • Coenders, S
  • Collin, GH
  • Conrad, JM
  • Cowen, DF
  • Cross, R
  • Day, M
  • De André, JPAM
  • De Clercq, C
  • Delaunay, JJ
  • Dembinski, H
  • De Ridder, S
  • Desiati, P
  • De Vries, KD
  • De Wasseige, G
  • De With, M
  • Deyoung, T
  • Díaz-Vélez, JC
  • Di Lorenzo, V
  • Dujmovic, H
  • Dumm, JP
  • Dunkman, M
  • Dvorak, E
  • Eberhardt, B
  • Ehrhardt, T
  • Eichmann, B
  • Eller, P
  • Evenson, PA
  • Fahey, S
  • Fazely, AR
  • Felde, J
  • Filimonov, K
  • Finley, C
  • Flis, S
  • Franckowiak, A
  • Friedman, E
  • Fuchs, T
  • Gaisser, TK
  • Gallagher, J
  • Gerhardt, L
  • Ghorbani, K
  • Giang, W
  • Glauch, T
  • Glüsenkamp, T
  • Goldschmidt, A
  • et al.
Abstract

As atmospheric neutrinos propagate through the Earth, vacuumlike 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. The best fit for the muon to tau flavor changing term is ϵμτ=-0.0005, with a 90% C.L. allowed range of -0.0067<ϵμτ<0.0081. This result is more restrictive than recent limits from other experiments for ϵμτ. Furthermore, our result is complementary to a recent constraint on ϵμτ using another publicly available IceCube high-energy event selection. Together, they constitute the world's best limits on nonstandard interactions in the μ-τ sector.

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