Reactor ν̅ [subscript e] disappearance in the Double Chooz experiment
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Abe-2012-the Double Chooz Experiment.pdf
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Author(s)
Conrad, Janet
Jones, Christopher LaDon
Spitz, Joshua B.
Terao, Kazuhiro
Winslow, Lindley
Date Issued
September 2012
Journal
Physical Review D
Publisher
American Physical Society
Citation
Abe, Y. et al. “Reactor ν̅ [subscript e] disappearance in the Double Chooz experiment.” Physical Review D 86.5 (2012). © 2012 American Physical Society
Version
Final published version
Abstract
The Double Chooz experiment has observed 8249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years (reactor power×detector mass×live time) exposure using a 10.3 m[superscript 3] fiducial volume detector located at 1050 m from the reactor cores of the Chooz nuclear power plant in France. The expectation in case of θ[subscript 13]=0 is 8937 events. The deficit is interpreted as evidence of electron antineutrino disappearance. From a rate plus spectral shape analysis we find sin[superscript 2]2θ[subscript 13]=0.109±0.030(stat)±0.025(syst). The data exclude the no-oscillation hypothesis at 99.8% CL (2.9σ).
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.86.052008
