Measurement of the neutron energy spectrum of Back-n #ES1 at CSNS

The China spallation neutron source (CSNS) was built and started running since 2018. It produces neutrons by impinging 1.6 GeV protons onto a tungsten target with 25 Hz repetition frequency. A beam line exploiting the back-streaming neutrons (Back-n) was built mainly for nuclear data measurement and...

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Main Authors:	Chen Yonghao, Luan Guangyuan, Bao Jie, Jing Hantao, An Qi, Bai Huaiyong, Cao Ping, Chen Qiping, Cheng Pinjing, Cui Zengqi, Fan Ruirui, Feng Changqing, Gu Minhao, Guo Fengqin, Han Changcai, Han Zijie, He Guozhu, He Yongcheng, He Yuefeng, Huang Hanxiong, Huang Weiling, Huang Xiru, Ji Xiaolu, Ji Xuyang, Jiang Haoyu, Jiang Wei, Kang Ling, Kang Mingtao, Li Bo, Li Lun, Li Qiang, Li Xiao, Li Yang(a), Li Yang(b), Liu Rong, Liu Shubin, Liu Xingyan, Ma Yinglin, Ning Changjun, Qi Binbin, Ren Jie, Ruan Xichao, Song Zhaohui, Sun Hong, Sun Xiaoyang, Sun Zhijia, Tan Zhixin, Tang Hongqing, Tang Jingyu, Wang Pengcheng, Wang Qi, Wang Taofeng, Wang Yanfeng, Wang Zhaohui, Wang Zheng, Wen Jie, Wen Zhongwei, Wu Qingbiao, Wu Xiaoguang, Wu Xuan, Xie Likun, Yang Yiwei, Yi Han, Yu Li, Yu Tao, Yu Yongji, Zhang Guohui, Zhang Jing, Zhang Linhao, Zhang Liying, Zhang Qingming, Zhang Qiwei, Zhang Xianpeng, Zhang Yuliang, Zhang Zhiyong, Zhao Yingtan, Zhou Liang, Zhou Zuying, Zhu Danyang, Zhu Kejun, Zhu Peng
Format:	Article
Language:	English
Published:	EDP Sciences 2020-01-01
Series:	EPJ Web of Conferences
Online Access:	https://www.epj-conferences.org/articles/epjconf/pdf/2020/15/epjconf_nd2019_17018.pdf

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author	Chen Yonghao Luan Guangyuan Bao Jie Jing Hantao An Qi Bai Huaiyong Cao Ping Chen Qiping Cheng Pinjing Cui Zengqi Fan Ruirui Feng Changqing Gu Minhao Guo Fengqin Han Changcai Han Zijie He Guozhu He Yongcheng He Yuefeng Huang Hanxiong Huang Weiling Huang Xiru Ji Xiaolu Ji Xuyang Jiang Haoyu Jiang Wei Kang Ling Kang Mingtao Li Bo Li Lun Li Qiang Li Xiao Li Yang(a) Li Yang(b) Liu Rong Liu Shubin Liu Xingyan Ma Yinglin Ning Changjun Qi Binbin Ren Jie Ruan Xichao Song Zhaohui Sun Hong Sun Xiaoyang Sun Zhijia Tan Zhixin Tang Hongqing Tang Jingyu Wang Pengcheng Wang Qi Wang Taofeng Wang Yanfeng Wang Zhaohui Wang Zheng Wen Jie Wen Zhongwei Wu Qingbiao Wu Xiaoguang Wu Xuan Xie Likun Yang Yiwei Yi Han Yu Li Yu Tao Yu Yongji Zhang Guohui Zhang Jing Zhang Linhao Zhang Liying Zhang Qingming Zhang Qiwei Zhang Xianpeng Zhang Yuliang Zhang Zhiyong Zhao Yingtan Zhou Liang Zhou Zuying Zhu Danyang Zhu Kejun Zhu Peng
spellingShingle	Chen Yonghao Luan Guangyuan Bao Jie Jing Hantao An Qi Bai Huaiyong Cao Ping Chen Qiping Cheng Pinjing Cui Zengqi Fan Ruirui Feng Changqing Gu Minhao Guo Fengqin Han Changcai Han Zijie He Guozhu He Yongcheng He Yuefeng Huang Hanxiong Huang Weiling Huang Xiru Ji Xiaolu Ji Xuyang Jiang Haoyu Jiang Wei Kang Ling Kang Mingtao Li Bo Li Lun Li Qiang Li Xiao Li Yang(a) Li Yang(b) Liu Rong Liu Shubin Liu Xingyan Ma Yinglin Ning Changjun Qi Binbin Ren Jie Ruan Xichao Song Zhaohui Sun Hong Sun Xiaoyang Sun Zhijia Tan Zhixin Tang Hongqing Tang Jingyu Wang Pengcheng Wang Qi Wang Taofeng Wang Yanfeng Wang Zhaohui Wang Zheng Wen Jie Wen Zhongwei Wu Qingbiao Wu Xiaoguang Wu Xuan Xie Likun Yang Yiwei Yi Han Yu Li Yu Tao Yu Yongji Zhang Guohui Zhang Jing Zhang Linhao Zhang Liying Zhang Qingming Zhang Qiwei Zhang Xianpeng Zhang Yuliang Zhang Zhiyong Zhao Yingtan Zhou Liang Zhou Zuying Zhu Danyang Zhu Kejun Zhu Peng Measurement of the neutron energy spectrum of Back-n #ES1 at CSNS EPJ Web of Conferences
author_facet	Chen Yonghao Luan Guangyuan Bao Jie Jing Hantao An Qi Bai Huaiyong Cao Ping Chen Qiping Cheng Pinjing Cui Zengqi Fan Ruirui Feng Changqing Gu Minhao Guo Fengqin Han Changcai Han Zijie He Guozhu He Yongcheng He Yuefeng Huang Hanxiong Huang Weiling Huang Xiru Ji Xiaolu Ji Xuyang Jiang Haoyu Jiang Wei Kang Ling Kang Mingtao Li Bo Li Lun Li Qiang Li Xiao Li Yang(a) Li Yang(b) Liu Rong Liu Shubin Liu Xingyan Ma Yinglin Ning Changjun Qi Binbin Ren Jie Ruan Xichao Song Zhaohui Sun Hong Sun Xiaoyang Sun Zhijia Tan Zhixin Tang Hongqing Tang Jingyu Wang Pengcheng Wang Qi Wang Taofeng Wang Yanfeng Wang Zhaohui Wang Zheng Wen Jie Wen Zhongwei Wu Qingbiao Wu Xiaoguang Wu Xuan Xie Likun Yang Yiwei Yi Han Yu Li Yu Tao Yu Yongji Zhang Guohui Zhang Jing Zhang Linhao Zhang Liying Zhang Qingming Zhang Qiwei Zhang Xianpeng Zhang Yuliang Zhang Zhiyong Zhao Yingtan Zhou Liang Zhou Zuying Zhu Danyang Zhu Kejun Zhu Peng
author_sort	Chen Yonghao
title	Measurement of the neutron energy spectrum of Back-n #ES1 at CSNS
title_short	Measurement of the neutron energy spectrum of Back-n #ES1 at CSNS
title_full	Measurement of the neutron energy spectrum of Back-n #ES1 at CSNS
title_fullStr	Measurement of the neutron energy spectrum of Back-n #ES1 at CSNS
title_full_unstemmed	Measurement of the neutron energy spectrum of Back-n #ES1 at CSNS
title_sort	measurement of the neutron energy spectrum of back-n #es1 at csns
publisher	EDP Sciences
series	EPJ Web of Conferences
issn	2100-014X
publishDate	2020-01-01
description	The China spallation neutron source (CSNS) was built and started running since 2018. It produces neutrons by impinging 1.6 GeV protons onto a tungsten target with 25 Hz repetition frequency. A beam line exploiting the back-streaming neutrons (Back-n) was built mainly for nuclear data measurement and started commissioning simultaneously with CSNS in 2018. There are two experimental endstations along the Back-n beam line: endstation 1 (#ES1) with a neutron flight path of about 55 m and endstation 2 (#ES2) with about 76 m. The neutron energy spectra of both #ES1 and #ES2 were measured since it is important for feasibility study and analysis. In this paper, the measurement of the neutron energy spectrum of Back-n #ES1 is reported. It is measured by a multi-layer fission chamber using the 235U samples as the neutron converters. The neutron energy spectrum from 0.1 eV to 30 MeV is obtained. The integral neutron flux (from 0.1 eV to 30 MeV) normalized to the proton beam power of 100 kW is 1.55×107 neutrons/cm2/s.
url	https://www.epj-conferences.org/articles/epjconf/pdf/2020/15/epjconf_nd2019_17018.pdf
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spelling	doaj-9e8ef575faf14d78991ee33cdcdbe1382021-08-02T13:06:30ZengEDP SciencesEPJ Web of Conferences2100-014X2020-01-012391701810.1051/epjconf/202023917018epjconf_nd2019_17018Measurement of the neutron energy spectrum of Back-n #ES1 at CSNSChen Yonghao0Luan Guangyuan1Bao Jie2Jing Hantao3An QiBai Huaiyong4Cao PingChen Qiping5Cheng Pinjing6Cui Zengqi7Fan RuiruiFeng ChangqingGu MinhaoGuo Fengqin8Han Changcai9Han Zijie10He Guozhu11He Yongcheng12He Yuefeng13Huang Hanxiong14Huang Weiling15Huang XiruJi XiaoluJi XuyangJiang Haoyu16Jiang Wei17Kang Ling18Kang Mingtao19Li Bo20Li Lun21Li Qiang22Li Xiao23Li Yang(a)Li Yang(b)24Liu Rong25Liu ShubinLiu Xingyan26Ma Yinglin27Ning Changjun28Qi BinbinRen Jie29Ruan Xichao30Song Zhaohui31Sun Hong32Sun Xiaoyang33Sun ZhijiaTan Zhixin34Tang Hongqing35Tang Jingyu36Wang Pengcheng37Wang Qi38Wang Taofeng39Wang Yanfeng40Wang Zhaohui41Wang Zheng42Wen Jie43Wen Zhongwei44Wu Qingbiao45Wu Xiaoguang46Wu Xuan47Xie LikunYang Yiwei48Yi Han49Yu Li50Yu TaoYu Yongji51Zhang Guohui52Zhang Jing53Zhang Linhao54Zhang Liying55Zhang Qingming56Zhang Qiwei57Zhang Xianpeng58Zhang Yuliang59Zhang ZhiyongZhao Yingtan60Zhou Liang61Zhou Zuying62Zhu DanyangZhu KejunZhu Peng63Xi’an Jiaotong UniversityKey Laboratory of Nuclear Data, China Institute of Atomic EnergyKey Laboratory of Nuclear Data, China Institute of Atomic EnergyXi’an Jiaotong UniversityState Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking UniversityInstitute of Nuclear Physics and Chemistry, China Academy of Engineering PhysicsUniversity of South ChinaState Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking UniversityXi’an Jiaotong UniversityNorthwest Institute of Nuclear TechnologyInstitute of Nuclear Physics and Chemistry, China Academy of Engineering PhysicsKey Laboratory of Nuclear Data, China Institute of Atomic EnergyXi’an Jiaotong UniversityUniversity of South ChinaKey Laboratory of Nuclear Data, China Institute of Atomic EnergyXi’an Jiaotong UniversityState Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityInstitute of Nuclear Physics and Chemistry, China Academy of Engineering PhysicsInstitute of Nuclear Physics and Chemistry, China Academy of Engineering PhysicsXi’an Jiaotong UniversityXi’an Jiaotong UniversityKey Laboratory of Nuclear Data, China Institute of Atomic EnergyKey Laboratory of Nuclear Data, China Institute of Atomic EnergyNorthwest Institute of Nuclear TechnologyXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityKey Laboratory of Nuclear Data, China Institute of Atomic EnergyXi’an Jiaotong UniversityXi’an Jiaotong UniversityKey Laboratory of Nuclear Data, China Institute of Atomic EnergySchool of Physics, Beihang UniversityXi’an Jiaotong UniversityKey Laboratory of Nuclear Data, China Institute of Atomic EnergyXi’an Jiaotong UniversityInstitute of Nuclear Physics and Chemistry, China Academy of Engineering PhysicsInstitute of Nuclear Physics and Chemistry, China Academy of Engineering PhysicsXi’an Jiaotong UniversityKey Laboratory of Nuclear Data, China Institute of Atomic EnergyXi’an Jiaotong UniversityInstitute of Nuclear Physics and Chemistry, China Academy of Engineering PhysicsXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityState Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityKey Laboratory of Nuclear Data, China Institute of Atomic EnergyNorthwest Institute of Nuclear TechnologyXi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an Jiaotong UniversityKey Laboratory of Nuclear Data, China Institute of Atomic EnergyXi’an Jiaotong UniversityThe China spallation neutron source (CSNS) was built and started running since 2018. It produces neutrons by impinging 1.6 GeV protons onto a tungsten target with 25 Hz repetition frequency. A beam line exploiting the back-streaming neutrons (Back-n) was built mainly for nuclear data measurement and started commissioning simultaneously with CSNS in 2018. There are two experimental endstations along the Back-n beam line: endstation 1 (#ES1) with a neutron flight path of about 55 m and endstation 2 (#ES2) with about 76 m. The neutron energy spectra of both #ES1 and #ES2 were measured since it is important for feasibility study and analysis. In this paper, the measurement of the neutron energy spectrum of Back-n #ES1 is reported. It is measured by a multi-layer fission chamber using the 235U samples as the neutron converters. The neutron energy spectrum from 0.1 eV to 30 MeV is obtained. The integral neutron flux (from 0.1 eV to 30 MeV) normalized to the proton beam power of 100 kW is 1.55×107 neutrons/cm2/s.https://www.epj-conferences.org/articles/epjconf/pdf/2020/15/epjconf_nd2019_17018.pdf

Measurement of the neutron energy spectrum of Back-n #ES1 at CSNS

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