Observation of Electron-Antineutrino Disappearance at Daya Bay

An, Fengpeng; Bai, J. Z.; Balantekin, A. B.; Band, H. R.; Beavis, D.; Beriguete, W.; Bishai, M.; Blyth, S.; Boddy, Kimberly K.; Brown, Richard; Cai, B.; Cao, G. F.; Cao, Jun; Carr, R.; Chan, W. T.; Chang, J. F.; Chang, Y.; Chasman, C.; Chen, H. S.; Chen, H. Y.; Chen, S. J.; Chen, Shaomin; Chen, X. C.; Chen, X. H.; Chen, X. S.; Chen, Y.; Chen, Y. X.; Cherwinka, J. J.; Chu, M. C.; Cummings, J. P.; Deng, Z. Y.; Ding, Yayun; Diwan, M.; Dong, L. Y.; Draeger, Emily; Du, X. F.; Dwyer, D. A.; Edwards, W. R.; Ely, S.; Fang, S. D.; Fu, Jinghua; Fu, Z.; Ge, L. Q.; Ghazikhanian, V.; Gill, R. L.; Goett, J.; Gonchar, M.; Gong, G. H.; Gong, Haipeng; Gornushkin, Y.; Greenler, L.; Gu, W.; Guan, Mengyun; Guo, X. H.; Hackenburg, R.; Hahn, R. L.; Hans, S.; He, M.; He, Q.; He, Wei; Heeger, K. M.; Heng, Y. K.; Hinrichs, P.; Ho, T. H.; Hor, Y. K.; Hsiung, Y.; Hu, Beibei; Hu, T.; Hu, T.; Huang, Han‐Xiong; Huang, H. Z.; Huang, Pin‐Wen; Huang, X. T.; Huang, X. T.; Huber, Patrick; Isvan, Z.; Jaffe, D. E.; Jetter, S.; Ji, X. L.; Ji, Xiangpan; Jiang, H. J.; Jiang, Weijie; Jiao, J. B.; Johnson, Rob; Kang, Li-Wei; Kettell, S. H.; Krämer, M.; Kwan, K. K.; Kwok, M. W.; Kwok, T.; Lai, Canxiong; Lai, Wanchang; Lai, W. H.; Lau, K.; Lebanowski, L.; Lee, J.; Lee, M. K. P.; Leitner, R.; Leung, J. K. C.; Leung, Kwong-Sak; Lewis, C. A.; Li, B.; Li, F.; Li, G. S.; Li, J.; Li, Q. J.; Li, S. F.; Li, W. D.; Li, X. B.; Li, X. N.; Li, X. Q.; Li, Y.; Li, Zhibing; Liang, Hongwei; Liang, J. J.; Lin, C. J.; Lin, G. L.; Lin, S.; Lin, Shengxin; Lin, Y. C.; Ling, J. J.; Link, J. M.; Littenberg, L.; Littlejohn, B. R.; Liu, B. J.; Liu, C.; Liu, D. W.; Liu, H.; Liu, J. C.; Liu, J. L.; Liu, S.; Liu, X.; Liu, Y. B.; Lü, C.; Lu, H. Q.; Luk, A.; Luk, K. B.; Luo, T.; Luo, X. L.; H., L.; M., Q.; B., X.; Y., X.; Q., Y.; Mayes, B.; McDonald, K. T.; McFarlane, M. C.; McKeown, R. D.; Meng, Yue; Mohapatra, D.; Morgan, J. E.; Nakajima, Y.; Napolitano, J.; Naumov, D.; Nemchenok, I.; Newsom, C.; Ngai, H. Y.; Ngai, W. K.; Nie, Y.; Ning, Z.; Ochoa‐Ricoux, J. P.; Oh, Do‐Youn; Olshevski, A.G.; Pagac, A.; Patton, S.; Pearson, C. J.; Pec, V.; Peng, J. C.; Piilonen, L. E.; Pinsky, L.; Pun, C. S. J.; Qi, F. Z.; Qi, M.; Qian, X.; Raper, N.; Rosero, R.; Roskovec, B.; Ruan, Xichao; Seilhan, B.; Shao, B.; Shih, Kendrick Co; Steiner, H.; Stoler, P.; Sun, G. X.; Sun, Jian; Tam, Y. H.; Tanaka, Hiroyuki; Tang, X.; Themann, H.; Torun, Y.; Trentalange, S.; Tsai, O. D.; Tsang, K. V.; Tsang, R.; Tull, C. E.; Viren, B.; Virostek, Steve; Vorobel, V.; Wang, C. H.; Wang, L. S.; Wang, L. Y.; Wang, L. Z.; Wang, Meng; Wang, N. Y.; Wang, R. G.; Wang, T.; Wang, Xiang-Gao; Wang, Xiang-Gao; Wang, Xiang-Gao; Wang, Y. F.; Wang, Zhiyuan; Wang, Z.; Wang, Z. M.; Webber, D.M.; Wei, Y. D.; Wen, Liangjian; Wenman, D.; Whisnant, K.; White, C.; Whitehead, L.; Whitten, C. A.; Wilhelmi, J.; Wise, T.; Wong, H. C.; Wong, H. L. H.; Wong, Jonathan; Worcester, E.; Wu, Fenfang; Wu, Q.; Xia, D. M.; Xiang, S. T.; Xiao, Q.; Xing, Z. Z.; Xu, G.; Xu, Jilei; Xu, Jilei; Xu, Jilei; Xu, W.; Xu, Y.; Xue, T.; Yang, Changgen; Yang, L.; Ye, M.; Yeh, M.; Yeh, Y. S.; Yip, K.; Young, B. L.; Yu, Zeyuan; Zhan, Liang; Zhang, C.; Zhang, Qingmin; Zhang, J. W.; Zhang, Qingmin; Zhang, Kexin; Zhang, Q. X.; Zhang, S. H.; Zhang, Y. C.; Zhang, Y. H.; Zhang, Y. X.; Zhang, Z. J.; Zhang, Z. P.; Zhang, Z. Y.; Zhao, J.; Zhao, Q. W.; Zhao, Y.; Zheng, L.; Zhong, W.; Zhou, L.; Zhou, Z. Y.; Zhuang, H.L.; Zou, J. H.

doi:10.1103/physrevlett.108.171803

articlePhysical Review LettersApr 23, 2012GREEN OA

Observation of Electron-Antineutrino Disappearance at Daya Bay

FAFengpeng An JZJ. Z. Bai ABA. B. Balantekin HRH. R. Band DBD. Beavis

Institute of High Energy Physics · University of Wisconsin–Madison · +35 more institutions

PubMed

Indexed inarxivcrossrefpubmed

Abstract

The Daya Bay Reactor Neutrino Experiment has measured a nonzero value for the neutrino mixing angle ${\ensuremath{\theta}}_{13}$ with a significance of 5.2 standard deviations. Antineutrinos from six 2.9 $\mathrm{G}{\mathrm{W}}_{\mathrm{th}}$ reactors were detected in six antineutrino detectors deployed in two near (flux-weighted baseline 470 m and 576 m) and one far (1648 m) underground experimental halls. With a $43\text{ }000\text{ }\text{ }\mathrm{ton}--\mathrm{G}{\mathrm{W}}_{\mathrm{th}}--\mathrm{day}$ live-time exposure in 55 days, 10 416 (80 376) electron-antineutrino candidates were detected at the far hall (near halls). The ratio of the observed to expected number of antineutrinos at the far hall is…

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Keywords

Physics
Neutrino
Particle physics
Electron neutrino
Electron
Nuclear physics
Lepton
Neutrino oscillation

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