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Measurement of Atmospheric Neutrino Oscillations at 6-56 GeV with IceCube DeepCore
Journal article   Open access   Peer reviewed

Measurement of Atmospheric Neutrino Oscillations at 6-56 GeV with IceCube DeepCore

Maryon Ahrens, Christian Bohm, Jonathan P. Dumm, Chad Finley, Samuel Flis, Klas Hultqvist, Christian Walck, Marcel Zoll and IceCube Collaboration
Physical review letters, v 120(7), pp 071801-071801
2018
DOI: https://doi.org/10.1103/PhysRevLett.120.071801
url
https://doi.org/10.1103/physrevlett.120.071801View
Published, Version of Record (VoR)CC BY V4.0,  Open
url
https://doi.org/10.1103/PhysRevLett.120.071801View
Published, Version of Record (VoR) Open

Abstract

Fysik Naturvetenskap Natural Sciences Physical Sciences
We present a measurement of the atmospheric neutrino oscillation parameters using three years of data from the IceCube Neutrino Observatory. The DeepCore infill array in the center of IceCube enables the detection and reconstruction of neutrinos produced by the interaction of cosmic rays in Earth's atmosphere at energies as low as similar to 5 GeV. That energy threshold permits measurements of muon neutrino disappearance, over a range of baselines up to the diameter of the Earth, probing the same range of L/E-v. as long-baseline experiments but with substantially higher- energy neutrinos. This analysis uses neutrinos from the full sky with reconstructed energies from 5.6 to 56 GeV. We measure Delta m(32)(2) = 2.31(-0.13)(+0.11) x 10(-3) eV(2) and sin(2) theta(23) = 0.51(- 0.09)(+0.07), assuming normal neutrino mass ordering. These results are consistent with, and of similar precision to, those from accelerator- and reactor-based experiments.

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