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| 題名: | Spectral measurement of electron antineutrino oscillation amplitude and frequency at Daya Bay |
| 作者: | 彭仁傑;Band, H. R.;Blyth, S.;Butorov, I.;Cao, J.;Chang, Y.;Chen, H. S.;Chen, H. Y.;Chen, S. J.;Chen, S. M.;Chen, X. H.;Cheng, Y. P.;Ding, Y. Y.;Edwards, W. R.;Fu, J. Y.;Ge, L. Q.;Gonchar, M.;Gornushkin, Y. A.;Gu, W. Q.;Hackenburg, R. W.;Heeger, K. M.;Heng, Y. K.;Hor, yk;Hsiung, Y. B.;Hu, B. Z.;Hu, L. J.;Huang, H. X.;Huang, X. T.;Hussain, G.;Jaffe, D. E.;Jetter, S.;Ji, X. L.;Jiang, H. J.;Kang, L.;Kettell, S. H.;Kwok, T.;Lau, K.;Lebanowski, L.;Lee, J.;Li, X. N.;Li, Z. B.;Lin, S. K.;Lin, Y. C.;Littlejohn, B. R.;Liu, D. W.;Liu, J. C.;Luk, K. B.;Ma, Q. M.;Ma, X. B.;Ma, Y. Q.;Meng, Y.;Nakajima, Y.;Naumova, E.;Olshevski, A.;Pec, V.;Qian, X.;Rosero, R.;Roskovec, B.;Ruan, X. C.;Steiner, H.;Tam, Y. H.;Themann, H.;Trentalange, S.;Tsai, O.;Tsang, K. V.;Viren, B.;Vorobel, V.;Wang, L. S.;Wang, L. Y.;Wang, M.;Wang, X.;Wang, Z.;Webber, D. M.;Wei, H.;Wei, Y. D.;Wen, L. J.;Whisnant, K.;Whitehead, L.;Wong, H. L. H.;Wong, S. C. F.;Xing, Z. Z.;Xu, J. L.;Xu, Y.;Xue, T.;Yan, J.;Yang, L.;Yang, M. S.;Ye, M.;Zang, S. L.;Zhan, L.;Zhang, C.;Zhang, F. H.;Zhang, J. W.;Zhang, Q. M.;Zhang, Y. H.;Zhang, Z. P.;Zhao, Q. W.;Zhou, L.;Zhou, Z. Y.;Zhuang, H. L.;Zou, J. H. |
| 貢獻者: | 高能與強場物理研究中心 |
| 日期: | 2014-02-10 |
| 上傳時間: | 2026-04-23 12:07:43 (UTC+8) |
| 出版者: | American Physical Society;United States: American Physical Society (APS) |
| 摘要: | 摘要： A measurement of the energy dependence of antineutrino disappearance at the Daya Bay reactor neutrino experiment is reported. Electron antineutrinos (ν¯(e)) from six 2.9 GW(th) reactors were detected with six detectors deployed in two near (effective baselines 512 and 561 m) and one far (1579 m) underground experimental halls. Using 217 days of data, 41 589 (203 809 and 92 912) antineutrino candidates were detected in the far hall (near halls). An improved measurement of the oscillation amplitude sin(2)2θ(13)=0.090(-0.009)(+0.008) and the first direct measurement of the ν¯(e) mass-squared difference |Δm(ee)2|=(2.59(-0.20)(+0.19))×10(-3) eV2 is obtained using the observed ν¯(e) rates and energy spectra in a three-neutrino framework. This value of |Δm(ee)2| is consistent with |Δm(μμ)2| measured by muon neutrino disappearance, supporting the three-flavor oscillation model.
其他題名： Phys Rev Lett
出版者： United States: American Physical Society (APS)
出版日期： 2014-02-10
出處： Physical Review Letters, 2014-02, Vol.112 (6), p.061801, Article 061801
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.112.061801
識別號： PMID: 24580686 |
| 顯示於類別: | [高能與強場物理研究中心] 期刊論文
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