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eV-Scale Sterile Neutrino Search Using Eight Years of Atmospheric Muon Neutrino Data from the IceCube Neutrino Observatory
Journal article   Open access   Peer reviewed

eV-Scale Sterile Neutrino Search Using Eight Years of Atmospheric Muon Neutrino Data from the IceCube Neutrino Observatory

Maryon Ahrens, Christian Bohm, Kunal Deoskar, Chad Finley, Klas Hultqvist, Matti Jansson, Erin O'Sullivan, Christian Walck and IceCube Collaboration
Physical review letters, v 125(14), 141801
2020
DOI: https://doi.org/10.1103/PhysRevLett.125.141801
PMID: 33064514
url
https://doi.org/10.1103/physrevlett.125.141801View
Published, Version of Record (VoR)CC BY V4.0,  Open
url
https://doi.org/10.1103/PhysRevLett.125.141801View
Published, Version of Record (VoR) Open

Abstract

Fysik Naturvetenskap Natural Sciences Physical Sciences
The results of a 3 + 1 sterile neutrino search using eight years of data from the IceCube Neutrino Observatory are presented. A total of 305 735 muon neutrino events are analyzed in reconstructed energy-zenith space to test for signatures of a matter-enhanced oscillation that would occur given a sterile neutrino state with a mass-squared differences between 0.01 and 100 eV(2). The best-fit point is found to be at sin(2)(2 theta(24)) = 0.10 and Delta m(41)(2) = 4.5 eV(2), which is consistent with the no sterile neutrino hypothesis with a p value of 8.0%.

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Domestic collaboration
International collaboration
Web of Science research areas
Physics, Multidisciplinary
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