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Atmospheric neutrino oscillation analysis with improved event reconstruction in Super-Kamiokande IV
Cited 46 time in
Web of Science
Cited 56 time in Scopus
- Authors
- Issue Date
- 2019-05
- Publisher
- Oxford University Press
- Citation
- Progress of Theoretical and Experimental Physics, Vol.2019 No.5, p. 053F01
- Abstract
- A new event reconstruction algorithm based on a maximum likelihood method has been developed for Super-Kamiokande. Its improved kinematic and particle identification capabilities enable the analysis of atmospheric neutrino data in a detector volume 32% larger than previous analyses and increase the sensitivity to the neutrino mass hierarchy. Analysis of a 253.9 kton.year exposure of the Super-Kamiokande IV atmospheric neutrino data has yielded a weak preference for the normal hierarchy, disfavoring the inverted hierarchy at 74% assuming oscillations at the best fit of the analysis.
- ISSN
- 2050-3911
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