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Improved Search for a Light Sterile Neutrino with the Full Configuration of the Daya Bay Experiment
Daya Bay Collaboration
2016
发表期刊PHYSICAL REVIEW LETTERS
卷号117期号:15
文章类型Article
摘要This Letter reports an improved search for light sterile neutrino mixing in the electron antineutrino disappearance channel with the full configuration of the Daya Bay Reactor Neutrino Experiment. With an additional 404 days of data collected in eight antineutrino detectors, this search benefits from 3.6 times the statistics available to the previous publication, as well as from improvements in energy calibration and background reduction. A relative comparison of the rate and energy spectrum of reactor antineutrinos in the three experimental halls yields no evidence of sterile neutrino mixing in the 2 x 10(-4) less than or similar to vertical bar Delta m(41)(2)vertical bar less than or similar to 0.3 eV(2) mass range. The resulting limits on sin(2) 2 theta(14) are improved by approx imately a factor of 2 over previous results and constitute the most stringent constraints to date in the vertical bar Delta m(41)(2)vertical bar less than or similar to 0.2 eV(2) region.
DOI10.1103/PhysRevLett.117.151802
关键词[WOS]ANTINEUTRINO DETECTORS ; SYSTEM
语种英语
WOS记录号WOS:000385341900007
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260886
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. Improved Search for a Light Sterile Neutrino with the Full Configuration of the Daya Bay Experiment[J]. PHYSICAL REVIEW LETTERS,2016,117(15).
APA Daya Bay Collaboration.(2016).Improved Search for a Light Sterile Neutrino with the Full Configuration of the Daya Bay Experiment.PHYSICAL REVIEW LETTERS,117(15).
MLA Daya Bay Collaboration."Improved Search for a Light Sterile Neutrino with the Full Configuration of the Daya Bay Experiment".PHYSICAL REVIEW LETTERS 117.15(2016).
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