Journal
PHYSICAL REVIEW D
Volume 97, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.97.072001
Keywords
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Funding
- Japanese Ministry of Education, Culture, Sports, Science and Technology
- U.S. Department of Energy
- U.S. National Science Foundation
- National Research Foundation of Korea - Ministry of Science, ICT, and Future Planning [NRF-2009-0083526]
- European Union [RISE-GA641540-SKPLUS]
- Japan Society for the Promotion of Science
- National Natural Science Foundation of China [11235006]
- National Science and Engineering Research Council (NSERC) of Canada
- Scinet and Westgrid consortia of Compute Canada
- National Science Centre of Poland [2015/17/N/ST2/04064, 2015/18/E/ST2/00758]
- Grants-in-Aid for Scientific Research [25105004] Funding Source: KAKEN
- STFC [ST/N000277/1, ST/R000069/1, ST/S001174/1, Hyper-K, ST/G003440/1, ST/N000447/1, ST/N000242/1, T2K, 1643404, ST/H003517/1, ST/H000747/1, ST/M00290X/1, ST/N000420/1, ST/R00031X/1, ST/M002691/1] Funding Source: UKRI
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An analysis of atmospheric neutrino data from all four run periods of Super-Kamiokande optimized for sensitivity to the neutrino mass hierarchy is presented. Confidence intervals for Delta m(3)(2)(2), sin(2) theta(23), sin(2) theta(13) and (delta(cp) are presented for normal neutrino mass hierarchy and inverted neutrino mass hierarchy hypotheses, based on atmospheric neutrino data alone. Additional constraints from reactor data on theta(1)(3) and from published binned T2K data on muon neutrino disappearance and electron neutrino appearance are added to the atmospheric neutrino fit to give enhanced constraints on the above parameters. Over the range of parameters allowed at 90% confidence level, the normal mass hierarchy is favored by between 91.9% and 94.5% based on the combined Super-Kamiokande plus T2K result.
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