First combined analysis of neutrino and antineutrino oscillations at T2K

T2K Collaboration

Research output: Contribution to journalArticlepeer-review

Abstract

T2K reports its first results in the search for CP violation in neutrino oscillations using appearance and disappearance channels for neutrino- and antineutrino-mode beam. The data include all runs from Jan 2010 to May 2016 and comprise 7.482 × 1020 protons on target in neutrino mode, which yielded in the far detector 32 e-like and 135 µ-like events, and 7.471 × 1020 protons on target in antineutrino mode which yielded 4 e-like and 66 µ-like events. Reactor measurements of sin2 2θ13 have been used as an additional constraint. The one-dimensional confidence interval at 90% for δCP spans the range (−3.13, −0.39) for normal mass ordering. The CP conservation hypothesis (δCP = 0, π) is excluded at 90% C.L.

Original languageEnglish
JournalUnknown Journal
Publication statusPublished - Jan 2 2017

ASJC Scopus subject areas

  • General

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