Improved measurement of electron antineutrino disappearance at Daya Bay
Daya Bay Collaboration
刊名CHINESE PHYSICS C
2013
卷号37期号:1
关键词LOADED LIQUID SCINTILLATOR REACTOR NEUTRINO EXPERIMENT THETA(13) SPECTRA
学科分类Physics
DOI10.1088/1674-1137/37/1/011001
通讯作者An, FP (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
英文摘要We report an improved measurement of the neutrino mixing angle theta(13) from the Daya Bay Reactor Neutrino Experiment. We exclude a zero value for sin(2)2 theta(13) with a significance of 7.7 standard deviations. Electron antineutrinos from six reactors of 2.9 GW(th) were detected in six antineutrino detectors deployed in two near (flux-weighted baselines of 470 m and 576 m) and one far (1648 m) underground experimental halls. Using 139 days of data, 28909 (205308) electron antineutrino candidates were detected at the far hall (near halls). The ratio of the observed to the expected number of antineutrinos assuming no oscillations at the far hall is 0.944 +/- 0.007(stat.)+/- 0.003(syst.). An analysis of the relative rates in six detectors finds sin(2)2 theta(13)= 0.089 +/- 0.010(stat.)+/- 0.005(syst.) in a three-neutrino framework.
类目[WOS]Physics, Nuclear ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000314891200001
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被引频次:208[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/311005/213458
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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Daya Bay Collaboration. Improved measurement of electron antineutrino disappearance at Daya Bay[J]. CHINESE PHYSICS C,2013,37(1).
APA Daya Bay Collaboration.(2013).Improved measurement of electron antineutrino disappearance at Daya Bay.CHINESE PHYSICS C,37(1).
MLA Daya Bay Collaboration."Improved measurement of electron antineutrino disappearance at Daya Bay".CHINESE PHYSICS C 37.1(2013).
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