Constraints on Oscillation Parameters from νe Appearance and νμ Disappearance in NOvA

(NOvA Collaboration)

Research output: Contribution to journalArticlepeer-review

162 Scopus citations

Abstract

Results are reported from an improved measurement of νμ→νe transitions by the NOvA experiment. Using an exposure equivalent to 6.05×1020 protons on target, 33 νe candidates are observed with a background of 8.2±0.8 (syst.). Combined with the latest NOvA νμ disappearance data and external constraints from reactor experiments on sin22θ13, the hypothesis of inverted mass hierarchy with θ23 in the lower octant is disfavored at greater than 93% C.L. for all values of δCP.

Original languageEnglish
Article number231801
JournalPhysical Review Letters
Volume118
Issue number23
DOIs
StatePublished - Jun 5 2017
Externally publishedYes

Funding

FundersFunder number
Not addedST/N000307/1, ST/N000285/1
National Science Foundation1506309
National Science Foundation
Science and Technology Facilities Council1698510, MINOS/MINOS+
Science and Technology Facilities Council

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