eV-Scale Sterile Neutrino Search Using Eight Years of Atmospheric Muon Neutrino Data from the IceCube Neutrino Observatory
(2020) Physical Review Letters — Vol. 125 (2020)
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- Abstract
- 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 eV2. The best-fit point is found to be at sin2(2θ24)=0.10 and Δm412=4.5 eV2, which is consistent with the no sterile neutrino hypothesis with a p value of 8.0%.
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Citations
de Wasseige, G., IceCube, & et al. (2020). eV-Scale Sterile Neutrino Search Using Eight Years of Atmospheric Muon Neutrino Data from the IceCube Neutrino Observatory. Physical Review Letters, 125. https://doi.org/10.1103/PhysRevLett.125.141801 (Original work published 2020)