/ hep-ex arXiv:1711.00588


Cosmogenic neutron production at Daya Bay


An, Feng Peng (East China U. Sci. Tech.) ; Balantekin, Akif Baha (Wisconsin U., Madison) ; Band, Henry Reyer (Yale U.) ; Bishai, Mary R (Brookhaven) ; Blyth, Simon (Natl. United U., Taiwan) ; Cao, De Wen (Nanjing U.) ; Cao, Guo Fu (Beijing, Inst. High Energy Phys.) ; Cao, Jun (Beijing, Inst. High Energy Phys.) ; Chan, Yat Long (Hong Kong, Chinese U.) ; Chang, Jin Fan (Beijing, Inst. High Energy Phys.) ; Chang, Yun (Natl. United U., Taiwan) ; Chen, He Sheng (Beijing, Inst. High Energy Phys.) ; Chen, Shao Min (Tsinghua U., Beijing) ; Chen, Yixue (Beijing, North China Elec. Power U.) ; Chen, Yu (Shenzhen U.) ; Cheng, Jie (Shandong U.) ; Cheng, Zhaokan (Zhongshan U.) ; Cherwinka, JeffJ (Wisconsin U., Madison) ; Chu, Mingchung (Hong Kong, Chinese U.) ; Chukanov, Artem (Dubna, JINR) ; Cummings, JohnP (Siena Coll., Loudonville) ; Ding, Ya Yun (Beijing, Inst. High Energy Phys.) ; Diwan, Milind Vaman (Brookhaven) ; Dolgareva, Maria (Dubna, JINR) ; Dove, Jason (Illinois U., Urbana) ; Dwyer, Daniel A (LBL, Berkeley) ; Edwards, William R (LBL, Berkeley) ; Gonchar, Maxim (Dubna, JINR) ; Gill, Ronald (Brookhaven) ; Gong, Guang Hua (Tsinghua U., Beijing) ; Gong, Hui (Tsinghua U., Beijing) ; Grassi, Marco (Beijing, Inst. High Energy Phys.) ; Gu, Wen Qiang (Shanghai Jiaotong U.) ; Guo, Lei (Tsinghua U., Beijing) ; Guo, Xin Heng (Beijing Normal U.) ; Guo, Yuhang (Xian Jiaotong U.) ; Guo, Ziyi (Tsinghua U., Beijing) ; Hussain, Ghulam (Tsinghua U., Beijing) ; Hackenburg, Robert W (Brookhaven) ; Hans, Sunej (Bronx Community College) ; He, Miao (Beijing, Inst. High Energy Phys.) ; Heeger, Karsten Miklas (Yale U.) ; Heng, Yue Kun (Beijing, Inst. High Energy Phys.) ; Higuera, Aaron (Houston U.) ; Hsiung, Yee Bob (Taiwan, Natl. Taiwan. U.) ; Hu, Bei Zhen (Taiwan, Natl. Taiwan. U.) ; Hu, Tao (Beijing, Inst. High Energy Phys.) ; Huang, Han Xiong (Beijing, Inst. Atomic Energy) ; Huang, Xing Tao (Shandong U.) ; Huang, Yongbo (Beijing, Inst. High Energy Phys.) ; Huber, Patrick (Virginia Tech.) ; Huo, Wenju (Hefei, CUST) ; Jaffe, David Edward (Brookhaven) ; Jen, Kou Lun (Taiwan, Natl. Chiao Tung U.) ; Ji, Xiang Pan (Tsinghua U., Beijing) ; Ji, Xiao Lu (Beijing, Inst. High Energy Phys.) ; Jiao, Jian Bin (Shandong U.) ; Johnson, Randy Allan (Cincinnati U.) ; Jones, Donald (Temple U.) ; Kang, Li (DongGuan U. Technol.) ; Kettell, Steven H (Brookhaven) ; Khan, Amir (Zhongshan U.) ; Kohn, Sam (UC, Berkeley) ; Kramer, Matt (UC, Berkeley) ; Kwok, Man-wai (Hong Kong, Chinese U.) ; Loh, Changwei (Nanjing U.) ; Langford, Thomas J (Yale U.) ; Lau, Kwong Hon (Houston U.) ; Lebanowski, Logan (Tsinghua U., Beijing) ; Lee, Jason (LBL, Berkeley) ; Lee, Jenny HC (Hong Kong U.) ; Lei, Rui Ting (DongGuan U. Technol.) ; Leitner, Rupert (Charles U.) ; Leung, John Kon Chong (Hong Kong U.) ; Li, Chao (Shandong U.) ; Li, Deng Jie (Hefei, CUST) ; Li, Fei (Beijing, Inst. High Energy Phys.) ; Li, Gao Song (Shanghai Jiaotong U.) ; Li, Qiu Ju (Beijing, Inst. High Energy Phys.) ; Li, Shanfeng (DongGuan U. Technol.) ; Li, Sheng Chao (Virginia Tech.) ; Li, Wei Dong (Beijing, Inst. High Energy Phys.) ; Li, Xiao Nan (Beijing, Inst. High Energy Phys.) ; Li, Xueqian (Nankai U.) ; Li, Yu Feng (Beijing, Inst. High Energy Phys.) ; Li, Zhi Bing (Zhongshan U.) ; Liang, Hao (Hefei, CUST) ; Lin, Cheng-Ju Stephen (LBL, Berkeley) ; Lin, Guey Lin (Taiwan, Natl. Chiao Tung U.) ; Lin, Shengxin (DongGuan U. Technol.) ; Lin, Shih Kai (Houston U.) ; Lin, Yu-Cheng (Taiwan, Natl. Taiwan. U.) ; Ling, Jia Jie (Zhongshan U.) ; Link, Jonathan Marion (Virginia Tech.) ; Littenberg, Laurence S (Brookhaven) ; Littlejohn, Bryce R (IIT, Chicago) ; Liu, Jiang Lai (Shanghai Jiaotong U.) ; Liu, Jin Chang (Beijing, Inst. High Energy Phys.) ; Lu, Chang Guo (Princeton U.) ; Lu, Hao Qi (Beijing, Inst. High Energy Phys.) ; Lu, Jia Shu (Beijing, Inst. High Energy Phys.) ; Luk, Kam Biu (LBL, Berkeley) ; Ma, Xiao Yan (Beijing, Inst. High Energy Phys.) ; Ma, Xu Bo (Beijing, North China Elec. Power U.) ; Ma, Yu Qian (Beijing, Inst. High Energy Phys.) ; Malyshkin, Yury (Chile U., Catolica) ; Martinez Caicedo, David A (IIT, Chicago) ; McDonald, Kirk T (Princeton U.) ; McKeown, Robert D (William-Mary Coll.) ; Mitchell, Ian (Houston U.) ; Nakajima, Yasuhiro (LBL, Berkeley) ; Napolitano, James Justin (Temple U.) ; Naumov, Dmitry Vadimovich (Dubna, JINR) ; Naumova, Elena (Dubna, JINR) ; Olshevskiy, Alexander (Dubna, JINR) ; Ochoa-Ricoux, Juan Pedro (Chile U., Catolica) ; Pan, Hsiao-Ru (Taiwan, Natl. Taiwan. U.) ; Park, Jaewon (Virginia Tech.) ; Patton, Simon John (LBL, Berkeley) ; Pec, Viktor (Charles U.) ; Peng, Jen Chieh (Illinois U., Urbana) ; Pinsky, Lawrence S (Houston U.) ; Pun, Jason CS (Hong Kong U.) ; Qi, Fa Zhi (Beijing, Inst. High Energy Phys.) ; Qi, Ming (Nanjing U.) ; Qian, Xin (Brookhaven) ; Qiu, RuoMeng (Beijing, North China Elec. Power U.) ; Ren, Jie (Beijing, Inst. Atomic Energy) ; Raper, Neill (Zhongshan U.) ; Rosero, Richard (Brookhaven) ; Roskovec, Bedrich (Chile U., Catolica) ; Ruan, Xi Chao (Beijing, Inst. Atomic Energy) ; Steiner, Herbert M (LBL, Berkeley) ; Sun, Ji Liang (CGNPC, Shenzhen) ; Tang, Wei (Brookhaven) ; Taychenachev, Dmitriy (Dubna, JINR) ; Treskov, Konstantin (Dubna, JINR) ; Tsang, Ka Vang (LBL, Berkeley) ; Tse Wan Ho, Bobby (Hong Kong, Chinese U.) ; Tull, Craig E (LBL, Berkeley) ; Viaux, Nicolás (Chile U., Catolica) ; Viren, Brett Michael (Brookhaven) ; Vorobel, Vit (Charles U.) ; Wang, Chung Hsiang (Natl. United U., Taiwan) ; Wang, Meng (Shandong U.) ; Wang, Nai Yan (Beijing Normal U.) ; Wang, Rui Guang (Beijing, Inst. High Energy Phys.) ; Wang, Wei (William-Mary Coll.) ; Wang, Xi (Natl. U. Defense Tech., Hunan) ; Wang, Yi Fang (Beijing, Inst. High Energy Phys.) ; Wang, Zhe (Tsinghua U., Beijing) ; Wang, Zheng (Beijing, Inst. High Energy Phys.) ; Wang, Zhi Min (Beijing, Inst. High Energy Phys.) ; Wei, Han Yu (Tsinghua U., Beijing) ; Wen, Liang Jian (Beijing, Inst. High Energy Phys.) ; Whisnant, Kerry L (Iowa State U.) ; White, Christopher Gerard (IIT, Chicago) ; Whitehead, Lisa (Houston U.) ; Wise, Thomas S (Yale U.) ; Wong, Hin-Lok Henoch (LBL, Berkeley) ; Wong, Chan Fai (Zhongshan U.) ; Worcester, Elizabeth Turner (Brookhaven) ; Wu, Chia-Hao (Taiwan, Natl. Chiao Tung U.) ; Wu, Qun (Shandong U.) ; Wu, Wenjie (Beijing, Inst. High Energy Phys.) ; Xia, Dong Mei (Chongqing U.) ; Xia, Jing Kai (Beijing, Inst. High Energy Phys.) ; Xing, Zhi Zhong (Beijing, Inst. High Energy Phys.) ; Xu, Ji Lei (Beijing, Inst. High Energy Phys.) ; Xu, Ye (Zhongshan U.) ; Xue, Tao (Tsinghua U., Beijing) ; Yang, Chang Gen (Beijing, Inst. High Energy Phys.) ; Yang, Haibo (Nanjing U.) ; Yang, Lei (DongGuan U. Technol.) ; Yang, Ma Sheng (Beijing, Inst. High Energy Phys.) ; Yang, Meng Ting (Shandong U.) ; Yang, Yuzi (Zhongshan U.) ; Ye, Mei (Beijing, Inst. High Energy Phys.) ; Ye, Ziping (Houston U.) ; Yeh, Min Fang (Brookhaven) ; Young, Bing Lin (Iowa State U.) ; Yu, Ze Yuan (Beijing, Inst. High Energy Phys.) ; ZHANG, RUI (Nanjing U.) ; Zeng, Shan (Beijing, Inst. High Energy Phys.) ; Zhan, Liang (Beijing, Inst. High Energy Phys.) ; Zhang, Chao (Brookhaven) ; Zhang, Chengcai (Beijing, Inst. High Energy Phys.) ; Zhang, Hong Hao (Zhongshan U.) ; Zhang, Jia Wen (Beijing, Inst. High Energy Phys.) ; Zhang, Qing Min (Xian Jiaotong U.) ; Zhang, Xuantong (Beijing, Inst. High Energy Phys.) ; Zhang, Yi Ming (Tsinghua U., Beijing) ; Zhang, Yi Xin (CGNPC, Shenzhen) ; Zhang, Yu Mei (Zhongshan U.) ; Zhang, Zhi Jian (DongGuan U. Technol.) ; Zhang, Zhi Yong (Beijing, Inst. High Energy Phys.) ; Zhang, Zi Ping (Hefei, CUST) ; Zhao, Jie (Beijing, Inst. High Energy Phys.) ; Zhou, Li (Beijing, Inst. High Energy Phys.) ; Zhuang, Hong Lin (Beijing, Inst. High Energy Phys.) ; Zou, Jia Heng (Beijing, Inst. High Energy Phys.)

Pages: 13

Abstract: Neutrons produced by cosmic ray muons are an important background for underground experiments studying neutrino oscillations, neutrinoless double beta decay, dark matter, and other rare-event signals. A measurement of the neutron yield in the three different experimental halls of the Daya Bay Reactor Neutrino Experiment at varying depth is reported. The neutron yield in Daya Bay's liquid scintillator is measured to be $Y_n=(10.26\pm 0.86)\times 10^{-5}$, $(10.22\pm 0.87)\times 10^{-5}$, and $(17.03\pm 1.22)\times 10^{-5}~\mu^{-1}~$g$^{-1}~$cm$^2$ at depths of 250, 265, and 860 meters-water-equivalent. These results are compared to other measurements and the simulated neutron yield in Fluka and Geant4. A global fit including the Daya Bay measurements yields a power law coefficient of $0.77 \pm 0.03$ for the dependence of the neutron yield on muon energy.

Web-Page: http://inspirehep.net/record/1634249/files/sim_azimuth.png; http://inspirehep.net/record/1634249/files/data_mc_azimuth.png; http://inspirehep.net/record/1634249/files/muleneh1.png; http://inspirehep.net/record/1634249/files/data_mc_zenith.png; http://inspirehep.net/record/1634249/files/eh1neumulti.png; http://inspirehep.net/record/1634249/files/captureenergy.png; http://inspirehep.net/record/1634249/files/dayabay_map.png; http://inspirehep.net/record/1634249/files/neutron_distance.png; http://inspirehep.net/record/1634249/files/muEdeposited.png; http://inspirehep.net/record/1634249/files/muE.png; http://inspirehep.net/record/1634249/files/detector.png; http://inspirehep.net/record/1634249/files/capturetime.png; http://inspirehep.net/record/1634249/files/yieldvsenergy.png; http://inspirehep.net/record/1634249/files/EH1_teleSys_labeled.png; http://inspirehep.net/record/1634249/files/sim_zenith.png; http://inspirehep.net/record/1634249/files/arXiv:1711.00588.pdf


Note: *Temporary entry*; 13 pages, 13 figures

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