Combined analysis of neutrino and antineutrino oscillations at T2K



Collaboration, T, Abe, K, Amey, J, Andreopoulos, C ORCID: 0000-0003-2020-8215, Antonova, M, Aoki, S, Ariga, A, Autiero, D, Ban, S, Barbi, M
et al (show 309 more authors) (2017) Combined analysis of neutrino and antineutrino oscillations at T2K. Phys. Rev. Lett., 118.

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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 $7.482\times10^{20}$,protons on target in neutrino mode, which yielded in the far detector 32 e-like and 135 $\mu$-like events, and $7.471\times10^{20}$,protons on target in antineutrino mode which yielded 4 e-like and 66 $\mu$-like events. Reactor measurements of $\sin^{2}2\theta_{13}$ have been used as an additional constraint. The one-dimensional confidence interval at 90% for $\delta_{CP}$ spans the range ($-3.13$, $-0.39$) for normal mass ordering. The CP conservation hypothesis ($\delta_{CP}=0,\pi$) is excluded at 90% C.L.

Item Type: Article
Uncontrolled Keywords: hep-ex, hep-ex
Depositing User: Symplectic Admin
Date Deposited: 04 Jan 2017 16:01
Last Modified: 09 Oct 2021 07:39
DOI: 10.1103/PhysRevLett.118.151801
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3005091