Jie Bao, Yong-Hao Chen, Xian-Peng Zhang, Guang-Yuan Luan, Jie Ren, Qi Wang, Xi-Chao Ruan, Kai Zhang, Qi An, Huai-Yong Bai, Ping Cao, Qi-Ping Chen, Pin-Jing Cheng, Zeng-Qi Cui, Rui-Rui Fan, Chang-Qing Feng, Min-Hao Gu, Feng-Qin Guo, Chang-Cai Han, Zi-Jie Han, Guo-Zhu He, Yong-Cheng He, Yue-Feng He, Han-Xiong Huang, Wei-Ling Huang, Xi-Ru Huang, Xiao-Lu Ji, Xu-Yang Ji, Hao-Yu Jiang, Wei Jiang, Han-Tao Jing, Ling Kang, Ming-Tao Kang, Chang-Lin Lan, Bo Li, Lun Li, Qiang Li, Xiao Li, Yang Li, Yang Li, Rong Liu, Shu-Bin Liu, Xing-Yan Liu, Ying-Lin Ma, Chang-Jun Ning, Yang-Bo Nie, Bin-Bin Qi, Zhao-Hui Song, Hong Sun, Xiao-Yang Sun, Zhi-Jia Sun, Zhi-Xin Tan, Hong-Qing Tang, Jing-Yu Tang, Peng-Cheng Wang, Tao-Feng Wang, Yan-Feng Wang, Zhao-Hui Wang, Zheng Wang, Jie Wen, Zhong-Wei Wen, Qing-Biao Wu, Xiao-Guang Wu, Xuan Wu, Li-Kun Xie, Yi-Wei Yang, Yi Yang, Han Yi, Li Yu, Tao Yu, Yong-Ji Yu, Guo-Hui Zhang, Jing Zhang, Lin-Hao Zhang, Li-Ying Zhang, Qing-Min Zhang, Qi-Wei Zhang, Yu-Liang Zhang, Zhi-Yong Zhang, Ying-Tan Zhao, Liang Zhou, Zu-Ying Zhou, Dan-Yang Zhu, Ke-Jun Zhu, Peng Zhu. Experimental result of back-streaming white neutron beam characterization at Chinese spallation neutron source [J]. Acta Physica Sinica, 2019, 68(8): 080101-1

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- Acta Physica Sinica
- Vol. 68, Issue 8, 080101-1 (2019)

Fig. 1. Arrangement of back-streaming neutron beam at CSNSCSNS装置布局及其反角白光中子源

Fig. 2. Two kinds of operation modes.一个脉冲内的两种供束模式

Fig. 3. Stimulated neutron energy spectrum of back-streaming beam.蒙特卡罗模拟得到的反角出射的散裂中子能谱

Fig. 4. The multi layer fission chamber.多层快裂变室

Fig. 5. The output signal of MSI-8 module.MSI-8的输出信号

Fig. 6. The time signal of the fission chamber.裂变室的时间信号

Fig. 7. Zero-crossing time determination of signal.过零定时效果示意

Fig. 8. Time determination from fission signal.有效裂变信号的飞行时间确定示意图

Fig. 9. Neutron time-of-flight spectrum.中子飞行时间谱

Fig. 10. 6Li-Si Detector structure.
6Li-Si 探测器结构

Fig. 11. Experimental result of back-streaming white neutron energy spectrum.实验测得的CSNS 反角白光中子能谱

Fig. 12. Neutron profile measurement equipment.中子束剖面测量装置

Fig. 13. Timing-serial of neutron profile detection.探测器触发时间关系

Fig. 14. Neutron profile distribution and grey scale information on x and y axis
中子束斑剖面分布及其在x 轴和y 轴上的灰度值分布

Fig. 15. Simulation of neutron profile in 60 mm diameter.60 mm直径束斑模拟
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