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Indication of electron neutrino appearance from an accelerator-produced off-axis muon neutrino beam.

Abstract:

The T2K experiment observes indications of ν(μ) → ν(e) appearance in data accumulated with 1.43×10(20) protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario with |Δm(23)(2)| = 2.4×10(-3)  eV(2), sin(2)2θ(23) = 1 and sin(2)2θ(13) = 0, the expected number of such events is 1.5±0.3(syst). Under this hypothesis, the probability to observe six or more candidate events is 7×10(-3), equivalent to 2.5σ significance. At 90% C.L.,...

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Publication status:
Published

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Authors


Abgrall, N More by this author
Albert, JB More by this author
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Journal:
Physical review letters
Volume:
107
Issue:
4
Pages:
041801
Publication date:
2011-07-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:0e20be82-3729-4ac1-b936-28c9db4b6919
Source identifiers:
163527
Local pid:
pubs:163527
Language:
English
Keywords:

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