Measurement of the Electron Antineutrino Oscillation with 1958 Days of Operation at Daya Bay

作     者：D. Adey F. P. An A. B. Balantekin H. R. Band M. Bishai S. Blyth D. Cao G. F. Cao J. Cao Y. L. Chan J. F. Chang Y. Chang H. S. Chen S. M. Chen Y. Chen Y. X. Chen J. Cheng Z. K. Cheng J. J. Cherwinka M. C. Chu A. Chukanov J. P. Cummings F. S. Deng Y. Y. Ding M. V. Diwan M. Dolgareva D. A. Dwyer W. R. Edwards M. Gonchar G. H. Gong H. Gong W. Q. Gu L. Guo X. H. Guo Y. H. Guo Z. Guo R. W. Hackenburg S. Hans M. He K. M. Heeger Y. K. Heng A. Higuera Y. B. Hsiung B. Z. Hu J. R. Hu T. Hu Z. J. Hu H. X. Huang X. T. Huang Y. B. Huang P. Huber W. Huo G. Hussain D. E. Jaffe K. L. Jen X. L. Ji X. P. Ji R. A. Johnson D. Jones L. Kang S. H. Kettell L. W. Koerner S. Kohn M. Kramer T. J. Langford L. Lebanowski J. Lee J. H. C. Lee R. T. Lei R. Leitner J. K. C. Leung C. Li F. Li H. L. Li Q. J. Li S. Li S. C. Li S. J. Li W. D. Li X. N. Li X. Q. Li Y. F. Li Z. B. Li H. Liang C. J. Lin G. L. Lin S. Lin S. K. Lin Y.-C. Lin J. J. Ling J. M. Link L. Littenberg B. R. Littlejohn J. C. Liu J. L. Liu Y. Liu Y. H. Liu C. W. Loh C. Lu H. Q. Lu J. S. Lu K. B. Luk X. B. Ma X. Y. Ma Y. Q. Ma Y. Malyshkin C. Marshall D. A. Martinez Caicedo K. T. McDonald R. D. McKeown I. Mitchell L. Mora Lepin J. Napolitano D. Naumov E. Naumova J. P. Ochoa-Ricoux A. Olshevskiy H.-R. Pan J. Park S. Patton V. Pec J. C. Peng L. Pinsky C. S. J. Pun F. Z. Qi M. Qi X. Qian R. M. Qiu N. Raper J. Ren R. Rosero B. Roskovec X. C. Ruan H. Steiner J. L. Sun W. Tang D. Taychenachev K. Treskov W.-H. Tse C. E. Tull B. Viren V. Vorobel C. H. Wang J. Wang M. Wang N. Y. Wang R. G. Wang W. Wang X. Wang Y. F. Wang Z. Wang Z. M. Wang H. Y. Wei L. H. Wei L. J. Wen K. Whisnant C. G. White T. Wise H. L. H. Wong S. C. F. Wong E. Worcester Q. Wu W. J. Wu D. M. Xia Z. Z. Xing J. L. Xu T. Xue C. G. Yang H. Yang L. Yang M. S. Yang M. T. Yang Y. Z. Yang M. Ye M. Yeh B. L. Young H. Z. Yu Z. Y. Yu B. B. Yue S. Zeng L. Zhan C. Zhang C. C. Zhang F. Y. Zhang H. H. Zhang J. W. Zhang Q. M. Zhang R. Zhang X. F. Zhang X. T. Zhang Y. M. Zhang Y. X. Zhang Y. Y. Zhang Z. J. Zhang Z. P. Zhang Z. Y. Zhang J. Zhao P. Zheng L. Zhou H. L. Zhuang J. H. Zou 

作者机构：Institute of High Energy Physics Beijing Institute of Modern Physics East China University of Science and Technology Shanghai University of Wisconsin Madison Wisconsin 53706 Wright Laboratory and Department of Physics Yale University New Haven Connecticut 06520 Brookhaven National Laboratory Upton New York 11973 Department of Physics National Taiwan University Taipei National United University Miao-Li Nanjing University Nanjing Chinese University of Hong Kong Hong Kong Department of Engineering Physics Tsinghua University Beijing Shenzhen University Shenzhen North China Electric Power University Beijing Shandong University Jinan Sun Yat-Sen (Zhongshan) University Guangzhou Joint Institute for Nuclear Research Dubna Moscow Region Siena College Loudonville New York 12211 University of Science and Technology of China Hefei Lawrence Berkeley National Laboratory Berkeley California 94720 Beijing Normal University Beijing Department of Nuclear Science and Technology School of Energy and Power Engineering Xi’an Jiaotong University Xi’an Department of Physics University of Houston Houston Texas 77204 China Institute of Atomic Energy Beijing Center for Neutrino Physics Virginia Tech Blacksburg Virginia 24061 Institute of Physics National Chiao-Tung University Hsinchu Department of Physics University of Cincinnati Cincinnati Ohio 45221 Department of Physics College of Science and Technology Temple University Philadelphia Pennsylvania 19122 Dongguan University of Technology Dongguan Department of Physics University of California Berkeley California 94720 Department of Physics The University of Hong Kong Pokfulam Hong Kong Charles University Faculty of Mathematics and Physics Prague School of Physics Nankai University Tianjin Department of Physics Illinois Institute of Technology Chicago Illinois 60616 Department of Physics and Astronomy Shanghai Jiao Tong University Shanghai Laboratory for Particle Physics and Cosmology Shanghai Joseph Henry Laboratories Princeton University Princeton New Jersey 08544 Instituto de Física Pontificia Universidad Católica de Chile Santiago California Institute of Technology Pasadena California 91125 College of William and Mary Williamsburg Virginia 23187 Department of Physics University of Illinois at Urbana-Champaign Urbana Illinois 61801 China General Nuclear Power Group Shenzhen College of Electronic Science and Engineering National University of Defense Technology Changsha Iowa State University Ames Iowa 50011 Chongqing University Chongqing 

出 版 物：《Physical Review Letters》 (物理评论快报)

年 卷 期：2018年第121卷第24期

页      面：241805-241805页

核心收录：

学科分类：07[理学] 0702[理学-物理学] 

基　　金：Daya Bay is supported in part by the Ministry of Science and Technology of China  the U.S. Department of Energy  the Chinese Academy of Sciences  the CAS Center for Excellence in Particle Physics  the National Natural Science Foundation of China  the Guangdong provincial government  the Shenzhen municipal government  the China General Nuclear Power Group  Key Laboratory of Particle and Radiation Imaging (Tsinghua University)  the Ministry of Education  Key Laboratory of Particle Physics and Particle Irradiation (Shandong University)  the Ministry of Education  Shanghai Laboratory for Particle Physics and Cosmology  the Research Grants Council of the Hong Kong Special Administrative Region of China  the University Development Fund of The University of Hong Kong  the MOE program for Research of Excellence at National Taiwan University  National Chiao-Tung University  and NSC fund support from Taiwan  the U.S. National Science Foundation  the Alfred P. Sloan Foundation  the Ministry of Education  Youth  and Sports of the Czech Republic  the Charles University Research Centre UNCE  the Joint Institute of Nuclear Research in Dubna  Russia  the CNFC-RFBR joint research program  the National Commission of Scientific and Technological Research of Chile  and the Tsinghua University Initiative Scientific Research Program. We acknowledge Yellow River Engineering Consulting Co.  Ltd.  and China Railway 15th Bureau Group Co.  Ltd.  for building the underground laboratory. We are grateful for the ongoing cooperation from the China General Nuclear Power Group and China Light and Power Company 

主　　题：Neutrino oscillations Neutrinos 

摘      要：We report a measurement of electron antineutrino oscillation from the Daya Bay Reactor Neutrino Experiment with nearly 4 million reactor ν¯e inverse β decay candidates observed over 1958 days of data collection. The installation of a flash analog-to-digital converter readout system and a special calibration campaign using different source enclosures reduce uncertainties in the absolute energy calibration to less than 0.5% for visible energies larger than 2 MeV. The uncertainty in the cosmogenic Li9 and He8 background is reduced from 45% to 30% in the near detectors. A detailed investigation of the spent nuclear fuel history improves its uncertainty from 100% to 30%. Analysis of the relative ν¯e rates and energy spectra among detectors yields sin22θ13=0.0856±0.0029 and Δm322=(2.471−0.070+0.068)×10−3 eV2 assuming the normal hierarchy, and Δm322=−(2.575−0.070+0.068)×10−3 eV2 assuming the inverted hierarchy.