Ariga, Akitaka; Ereditato, Antonio; Nirkko, Martti; Pistillo, Ciro; Redij, Asmita Ajit; Wilkinson, Callum (2017). Combined Analysis of Neutrino and Antineutrino Oscillations at T2K. Physical review letters, 118(15) American Physical Society 10.1103/PhysRevLett.118.151801
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T2K reports its first results in the search for CP violation in neutrino oscillations using appearance and disappearance channels for neutrino- and antineutrino-mode beams. The data include all runs from January 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 sin²2θ₁₃ have been used as an additional constraint. The one-dimensional confidence interval at 90% for the phase 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.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC) 08 Faculty of Science > Physics Institute > Laboratory for High Energy Physics (LHEP) |
UniBE Contributor: |
Ariga, Akitaka, Ereditato, Antonio, Nirkko, Martti, Pistillo, Ciro, Redij, Asmita Ajit, Wilkinson, Callum |
Subjects: |
500 Science > 530 Physics |
ISSN: |
0031-9007 |
Publisher: |
American Physical Society |
Language: |
English |
Submitter: |
Ciro Pistillo |
Date Deposited: |
26 Mar 2018 08:47 |
Last Modified: |
05 Dec 2022 15:11 |
Publisher DOI: |
10.1103/PhysRevLett.118.151801 |
Additional Information: |
T2K Collaboration: Es sind nur die Berner Autoren namentlich erwähnt. |
BORIS DOI: |
10.7892/boris.112819 |
URI: |
https://boris.unibe.ch/id/eprint/112819 |
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