Analysis of the atmospheric neutrino data from all five run periods of Super-Kamiokande running with ultra-pure water, years 1996 - 2020, is presented. The fiducial volume region has been expanded from 22,5~kton to 27,2~kton, which allowed us to use also the events with reconstructed vertex at least 1~m from the nearest wall of the detector.
Additional studies have been performed to by adding information from T2K published binned data on muon neutrino disappearance and electron appearance. Over the range of parameters allowed at 90% confidence level, the normal mass ordering is favored based on the combined results from Super-Kamiokande and with T2K results.
Atmospheric Neutrino Oscillations with the Super-Kamiokande detector
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Pre-published on:
December 29, 2022
Published on:
June 15, 2023
Abstract
DOI: https://doi.org/10.22323/1.414.0573
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.