An eV-scale sterile neutrino search using eight years of atmospheric muon neutrino data from the IceCube Neutrino Observatory

IceCube Collaboration, Paul Coppin, Pablo Correa Camiroaga, Catherine De Clercq, Krijn De Vries, Gwenhaël Laure De Wasseige, Jan Lünemann, Giuliano Alexander Maggi Olmedo, Nicolaas Van Eijndhoven

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Samenvatting

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%.

Originele taal-2English
Artikelnummer141801
Aantal pagina's11
TijdschriftPhys. Rev. Lett.
Volume125
Nummer van het tijdschrift14
DOI's
StatusPublished - 30 sep 2020

Bibliografische nota

11 pages, 5 figures. This letter is supported by the long-form paper "Searching for eV-scale sterile neutrinos with eight years of atmospheric neutrinos at the IceCube neutrino telescope," also appearing on arXiv

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