Independent measurement of the neutrino mixing angle theta(13) via neutron capture on hydrogen at Daya Bay
Daya Bay Collaboration
刊名PHYSICAL REVIEW D
2014
卷号90期号:7
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.90.071101
通讯作者An, FP (reprint author), E China Univ Sci & Technol, Inst Modern Phys, Shanghai 200237, Peoples R China.
英文摘要A new measurement of the theta(13) mixing angle has been obtained at the Daya Bay Reactor Neutrino Experiment via the detection of inverse beta decays tagged by neutron capture on hydrogen. The antineutrino events for hydrogen capture are distinct from those for gadolinium capture with largely different systematic uncertainties, allowing a determination independent of the gadolinium-capture result and an improvement on the precision of the theta(13) measurement. With a 217-day antineutrino data set obtained with six antineutrino detectors and from six 2.9 GWth reactors, the rate deficit observed at the far hall is interpreted as sin(2)2 theta(13) = 0.083 +/- 0.018 in the three-flavor oscillation model. When combined with the gadolinium-capture result from Daya Bay, we obtain sin(2)2 theta(13) = 0.089 +/- 0.008 as the final result for the six-antineutrino-detector configuration of the Daya Bay experiment.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000344017600001
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被引频次:26[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/311005/213803
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. Independent measurement of the neutrino mixing angle theta(13) via neutron capture on hydrogen at Daya Bay[J]. PHYSICAL REVIEW D,2014,90(7).
APA Daya Bay Collaboration.(2014).Independent measurement of the neutrino mixing angle theta(13) via neutron capture on hydrogen at Daya Bay.PHYSICAL REVIEW D,90(7).
MLA Daya Bay Collaboration."Independent measurement of the neutrino mixing angle theta(13) via neutron capture on hydrogen at Daya Bay".PHYSICAL REVIEW D 90.7(2014).
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