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Type: Journal article
Title: Searching for eV-scale sterile neutrinos with eight years of atmospheric neutrinos at the IceCube Neutrino Telescope
Author: Aartsen, M.G.
Abbasi, R.
Ackermann, M.
Adams, J.
Aguilar, J.A.
Ahlers, M.
Ahrens, M.
Alispach, C.
Amin, N.M.
Andeen, K.
Anderson, T.
Ansseau, I.
Anton, G.
Argüelles, C.
Auffenberg, J.
Axani, S.
Bagherpour, H.
Bai, X.
Balagopal V, A.
Barbano, A.
et al.
Citation: Physical Review D, 2020; 102(5):052009-1-052009-32
Publisher: American Physical Society
Issue Date: 2020
ISSN: 2470-0010
Statement of
M.G. Aartsen ... G.C. Hill ... et. al (The IceCube Collaboration)
Abstract: We report in detail on searches for eV-scale sterile neutrinos, in the context of a 3 + 1 model, using eight years of data from the IceCube Neutrino Telescope. By analyzing the reconstructed energies and zenith angles of 305,735 atmospheric νμ and ¯νμ events we construct confidence intervals in two analysis spaces: sin²(2θ₂₄) vs Δm(2)(41) under the conservative assumption θ₃₄=0; and sin²(2θ₂₄) vs sin²(2θ₃₄) given sufficiently large Δm(2)(41) that fast oscillation features are unresolvable. Detailed discussions of the event selection, systematic uncertainties, and fitting procedures are presented. No strong evidence for sterile neutrinos is found, and the best-fit likelihood is consistent with the no sterile neutrino hypothesis with a p value of 8% in the first analysis space and 19% in the second.
Rights: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP³.
DOI: 10.1103/PhysRevD.102.052009
Grant ID: ARC
Appears in Collections:Aurora harvest 4
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