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Observation of Electron-Antineutrino Disappearance at Daya Bay
Daya Bay Collaboration
AbstractThe Daya Bay Reactor Neutrino Experiment has measured a nonzero value for the neutrino mixing angle 0(13) with a significance of 5.2 standard deviations. Antineutrinos from six 2.9 GW(th) reactors were detected in six antineutrino detectors deployed in two near (flux-weighted baseline 470 m and 576 m) and one far (1648 m) underground experimental halls. With a 43 000 ton-GW(th)-day live-time exposure in 55 days, 10 416 (80 376) electron-antineutrino candidates were detected at the far hall (near halls). The ratio of the observed to expected number of antineutrinos at the far hall is R = 0.940 +/- 0.011(stat.) +/- 0.004(syst.). A rate-only analysis finds sin(2)2 theta(13) = 0.092 +/- 0.016(stat.) +/- 0.005(syst.) in a three-neutrino framework.
Subject AreaPhysics
Indexed BySCI
WOS IDWOS:000303119400002
Citation statistics
Cited Times:1395[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Recommended Citation
GB/T 7714
Daya Bay Collaboration. Observation of Electron-Antineutrino Disappearance at Daya Bay[J]. PHYSICAL REVIEW LETTERS,2012,108(17):171803.
APA Daya Bay Collaboration.(2012).Observation of Electron-Antineutrino Disappearance at Daya Bay.PHYSICAL REVIEW LETTERS,108(17),171803.
MLA Daya Bay Collaboration."Observation of Electron-Antineutrino Disappearance at Daya Bay".PHYSICAL REVIEW LETTERS 108.17(2012):171803.
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