Strong Constraints on Neutrino Nonstandard Interactions from TeV-Scale νμ Disappearance at IceCube

Authors

R. Abbasi, Loyola University of Chicago
M. Ackermann, Deutsches Elektronen-Synchrotron (DESY)
J. Adams, University of Canterbury
J. A. Aguilar, Université Libre de Bruxelles
M. Ahlers, Niels Bohr Institutet
M. Ahrens, Stockholms universitet
J. M. Alameddine, Technische Universität Dortmund
C. Alispach, Université de Genève
A. A. Alves, Karlsruher Institut für Technologie
N. M. Amin, The Bartol Research Institute
K. Andeen, Marquette University
T. Anderson, Eberly College of Science
G. Anton, Friedrich-Alexander-Universität Erlangen-Nürnberg
C. Argüelles, Harvard University
Y. Ashida, University of Wisconsin-Madison
S. Axani, Massachusetts Institute of Technology
X. Bai, South Dakota School of Mines & Technology
A. Balagopal, University of Wisconsin-Madison
A. Barbano, Université de Genève
S. W. Barwick, University of California, Irvine
B. Bastian, Deutsches Elektronen-Synchrotron (DESY)
V. Basu, University of Wisconsin-Madison
S. Baur, Université Libre de Bruxelles
R. Bay, University of California, Berkeley
J. J. Beatty, The Ohio State University

Document Type

Article

Publication Date

7-1-2022

Publication Title

Physical Review Letters

Volume

129

Issue

1

Abstract

We report a search for nonstandard neutrino interactions (NSI) using eight years of TeV-scale atmospheric muon neutrino data from the IceCube Neutrino Observatory. By reconstructing incident energies and zenith angles for atmospheric neutrino events, this analysis presents unified confidence intervals for the NSI parameter ϵμτ. The best-fit value is consistent with no NSI at a p value of 25.2%. With a 90% confidence interval of -0.0041≤ϵμτ≤0.0031 along the real axis and similar strength in the complex plane, this result is the strongest constraint on any NSI parameter from any oscillation channel to date.

Identifier

85133665849 (Scopus)

Recommended Citation

Abbasi, R.; Ackermann, M.; Adams, J.; Aguilar, J. A.; Ahlers, M.; Ahrens, M.; Alameddine, J. M.; Alispach, C.; Alves, A. A.; Amin, N. M.; Andeen, K.; Anderson, T.; Anton, G.; Argüelles, C.; Ashida, Y.; Axani, S.; Bai, X.; Balagopal, A.; Barbano, A.; Barwick, S. W.; Bastian, B.; Basu, V.; Baur, S.; Bay, R.; and Beatty, J. J., "Strong Constraints on Neutrino Nonstandard Interactions from TeV-Scale νμ Disappearance at IceCube" (2022). Physics: Faculty Publications and Other Works. 83.
https://ecommons.luc.edu/physics_facpubs/83