Improved Search for a Light Sterile Neutrino with the Full Configuration of the Daya Bay Experiment

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Title:	Improved Search for a Light Sterile Neutrino with the Full Configuration of the Daya Bay Experiment
Authors:	彭仁傑;An, F. P.;Balantekin, A. B.;Bishai, M.;Blyth, S.;Cao, J.;Chang, J. F.;Chang, L. C.;Chang, Y.;Chen, H. S.;Chen, S. M.;Chen, Y. X.;Chen, Y.;Cheng, J.;Cheng, Z. K.;Cherwinka, J. J.;Chu, M. C.;de Arcos, J.;Deng, Z. Y.;Ding, X. F.;Ding, Y. Y.;Diwan, M. V.;Dolgareva, M.;Edwards, W. R.;Gong, G. H.;Gong, H.;Grassi, M.;Guo, L.;Guo, R. P.;Hackenburg, R. W.;Hsiung, Y. B.;Hu, B. Z.;Huang, E. C.;Huang, X. T.;Huber, P.;Ji, X. P.;Joshi, J.;Kang, L.;Kohn, S.;Langford, T. J.;Leitner, R.;Li, D. J.;Li, G. S.;Li, S.;Li, S. C.;Li, W. D.;Li, X. N.;Lin, C. J.;Lin, G. L.;Lin, S.;Lin, S. K.;Lin, Y.-C.;Link, J. M.;Littenberg, L.;Liu, D. W.;Liu, J. C.;Loh, C. W.;Lu, C.;Luk, K. B.;Lv, Z.;Ma, X. Y.;Martinez Caicedo, D. A.;McKeown, R. D.;Mitchell, I.;Nakajima, Y.;Naumova, E.;Ngai, H. Y.;Ochoa-Ricoux, J. P.;Pec, V.;Ren, J.;Rosero, R.;Sun, G. X.;Sun, J. L.;Tang, W.;Treskov, K.;Tsang, K. V.;Wang, M.;Wang, R. G.;Wang, X.;Wang, Y. F.;Wang, Z.;Wei, H. Y.;Wen, L. J.;White, C. G.;Wu, C.-H.;Xia, D. M.;Xing, Z. Z.;Xu, J. L.;Yang, H.;Ye, M.;Yeh, M.;Young, B. L.;Zhang, H. H.;Zhang, J. W.;Zhang, X. T.;Zhang, Y. M.;Zhang, Y. X.;Zhao, Y. B.;Zhong, W. L.;Zhou, L.;Zhou, N.
Contributors:	高能與強場物理研究中心
Keywords:	Antineutrinos;Calibration;Channels;Daya Bay;mixing;neutrino;Neutrinos;reactor;Reactors;Searching;Statistics;sterile;Texts
Date:	2016-10-07
Issue Date:	2026-04-23 12:02:35 (UTC+8)
Publisher:	American Physical Society;United States: American Physical Society (APS)
Abstract:	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 2×10^{-4}≲\|Δm_{41}^{2}\|≲0.3 eV^{2} mass range. The resulting limits on sin^{2}2θ_{14} are improved by approx imately a factor of 2 over previous results and constitute the most stringent constraints to date in the \|Δm_{41}^{2}\|≲0.2 eV^{2} region. 其他題名： Phys Rev Lett 出版者： United States: American Physical Society (APS) 出版日期： 2016-10-07 出處： Physical Review Letters, 2016-10, Vol.117 (15), p.151802, Article 151802 資源來源： American Physical Society Journals 識別號： ISSN: 0031-9007 識別號： ISSN: 1079-7114 識別號： ISSN: 1092-0145 識別號： EISSN: 1079-7114 識別號： DOI: 10.1103/PhysRevLett.117.151802 識別號： PMID: 27768341
Appears in Collections:	[Center for High Energy and High Field Physics (CHiP)] journal & Dissertation

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