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Electron-antineutrino Disappearance Observed by the Daya Bay Reactor Neutrino Experiment
Daya Bay Collaboration
2014
发表期刊NUCLEAR DATA SHEETS
卷号118页码:91-97
通讯作者Heng, Y (reprint author), Inst High Energy Phys, Beijing 100049, Peoples R China.
摘要The Daya Bay Reactor Neutrino Experiment has measured a nonzero value for the neutrino mixing angle theta(13) with a significance of 7.7 standard deviations. Antineutrinos from six 2.9 GWth reactors were detected by six 20-ton target-mass detectors of identical design, deployed in two near and one far underground experimental halls. With a 116.8 kton-GWth-day live-time exposure in 139 days, 28,909 and 205,308 electron-antineutrino candidates were detected at the far hall and near halls respectively. The ratio of the observed to expected number of antineutrinos at the far hall is R = 0.944 +/- 0.007(stat) +/- 0.003(syst). A rate-only analysis finds sin(2)2 theta(13) = 0.089 +/- 0.010(stat) +/- 0.005(syst) in a three-neutrino framework. The experiments will continue for several years and a more precise neutrino mixing angle theta(13) will be given in the future.
关键词LOADED LIQUID SCINTILLATOR FISSION-PRODUCTS THETA(13) SPECTRA
学科领域Physics
DOI10.1016/j.nds.2014.04.009
收录类别SCI
语种英语
WOS类目Physics, Nuclear
WOS记录号WOS:000347704400008
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213847
专题实验物理中心
作者单位中国科学院高能物理研究所
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Daya Bay Collaboration. Electron-antineutrino Disappearance Observed by the Daya Bay Reactor Neutrino Experiment[J]. NUCLEAR DATA SHEETS,2014,118:91-97.
APA Daya Bay Collaboration.(2014).Electron-antineutrino Disappearance Observed by the Daya Bay Reactor Neutrino Experiment.NUCLEAR DATA SHEETS,118,91-97.
MLA Daya Bay Collaboration."Electron-antineutrino Disappearance Observed by the Daya Bay Reactor Neutrino Experiment".NUCLEAR DATA SHEETS 118(2014):91-97.
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