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Improved search for Muon-neutrino to electron-neutrino oscillations in MINOS.

Abstract:

We report the results of a search for ν(e) appearance in a ν(μ) beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2 × 10(20) protons on the NuMI target at Fermilab, we find that 2 sin(2) (θ(23))sin(2)(2θ(13))<0.12(0.20) at 90% confidence level for δ = 0 and the normal (inverted) neutrino mass hierarchy, with a best-fit of 2sin(2) (θ(23))sin(2)(2θ(13)) = 0.041(-0.031)(+0.047) (0.079(-0.053) (+0.071)). The θ(13) = 0 hypothesis is di...

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Journal:
Physical Review Letters More from this journal
Volume:
107
Issue:
18
Pages:
181802
Publication date:
2011-10-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:206000
UUID:
uuid:1b12a9fc-5b25-4ab0-a9e8-774c50c2d89c
Local pid:
pubs:206000
Source identifiers:
206000
Deposit date:
2012-12-19

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