摘要
The^6 Li(n,t)~4 He reaction was measured as the first experiment involving neutron-induced charged particle emission reactions at the CSNS(China Spallation Neutron Source)Back-n white neutron source.The differential cross-sections of the^6 Li(n,t)~4 He reaction at 15 detection angles ranging from 19.2°to 160.8°are obtained from 1.0 eV to 3.0 MeV at 80 neutron energy points;for 50 energy points below 0.1 MeV they are reported for the first time.The results indicate that the anisotropy of the emitted tritium is noticeable above E_n=100 eV.The angle-integrated cross-sections are also obtained.The present differential cross-sections agree in general with the previous evaluations,but there are some differences in the details.More importantly,the present results indicate that the cross-sections of the^6 Li(n,t)~4 He reaction might be overestimated by most evaluations in the 0.5-3.0 MeV region,although they are recommended as standards below 1.0 MeV.
The ~6 Li(n,t)~4 He reaction was measured as the first experiment involving neutron-induced charged particle emission reactions at the CSNS(China Spallation Neutron Source) Back-n white neutron source.The differential cross-sections of the ~6 Li(n,t)~4 He reaction at 15 detection angles ranging from 19.2° to 160.8° are obtained from 1.0 eV to 3.0 MeV at 80 neutron energy points;for 50 energy points below 0.1 MeV they are reported for the first time.The results indicate that the anisotropy of the emitted tritium is noticeable above E_n=100 eV.The angle-integrated cross-sections are also obtained.The present differential cross-sections agree in general with the previous evaluations,but there are some differences in the details.More importantly,the present results indicate that the cross-sections of the ~6 Li(n,t)~4 He reaction might be overestimated by most evaluations in the 0.5-3.0 MeV region,although they are recommended as standards below 1.0 MeV.
作者
Huaiyong Bai
Ruirui Fan
Haoyu Jiang
Zengqi Cui
Yiwei Hu
Guohui Zhang
Zhenpeng Chen
Wei Jiang
Han Yi
Jingyu Tang
Liang Zhou
Qi An
Jie Bao
Ping Cao
Qiping Chen
Yonghao Chen
Pinjing Cheng
Changqing Feng
Minhao Gu
Fengqin Guo
Changcai Han
Zijie Han
Guozhu He
Yongcheng He
Yuefeng He
Hanxiong Huang
Weiling Huang
Xiru Huang
Xiaolu Ji
Xuyang Ji
Hantao Jing
Ling Kang
Mingtao Kang
Bo Li
Lun Li
Qiang Li
Xiao Li
Yang Li
Yang Li
Rong Liu
Shubin Liu
Xingyan Liu
Guangyuan Luan
Yinglin Ma
Changjun Ning
Binbin Qi
Jie Ren
Xichao Ruan
Zhaohui Song
Hong Sun
Xiaoyang Sun
Zhijia Sun
Zhixin Tan
Hongqing Tang
Pengcheng Wang
Qi Wang
Taofeng Wang
Yanfeng Wang
Zhaohui Wang
Zheng Wang
Jie Wen
Zhongwei Wen
Qingbiao Wu
Xiaoguang Wu
Xuan Wu
Likun Xie
Yiwei Yang
Li Yu
Tao Yu
Yongji Yu
Jing Zhang
Linhao Zhang
Liying Zhang
Qingmin Zhang
Qiwei Zhang
Xianpeng Zhang
Yuliang Zhang
Zhiyong Zhang
Yingtan Zhao
Zuying Zhou
Danyang Zhu
Kejun Zhu
Peng Zhu
白怀勇;樊瑞睿;江浩雨;崔增琪;胡益伟;张国辉;陈振鹏;蒋伟;易晗;唐靖宇;周良;安琪;鲍杰;曹平;陈琪萍;陈永浩;程品晶;封常青;顾旻皓;郭凤琴;韩长材;韩子杰;贺国珠;何泳成;何越峰;黄翰雄;黄蔚玲;黄锡汝;季筱路;吉旭阳;敬罕涛;康玲;康明涛;李波;李论;李强;李晓;李洋;李样;刘荣;刘树彬;刘星言;栾广源;马应林;宁常军;齐斌斌;任杰;阮锡超;宋朝晖;孙虹;孙晓阳;孙志嘉;谭志新;唐洪庆;王鹏程;王琦;王涛峰;王艳凤;王朝晖;王征;文杰;温中伟;吴青彪;吴晓光;吴煊;解立坤;羊奕伟;于莉;余滔;于永积;张旌;张林浩;张利英;张清民;张奇玮;张显鹏;张玉亮;张志永;赵映潭;周祖英;朱丹阳;朱科军;朱鹏(State Key Laboratory of Nuclear Physics and Technology,Institute of Heavy Ion Physics,School of Physics,Peking University,Beijing 100871,China;Sate Key Laboratory of Particle Detection and Electronics;Institute of High Energy Physics,Chinese Academy of Sciences(CAS),Beijing 100049,China;Dongguan Neutron Science Center,Dongguan 523803,China;Physics Department,Tsinghua University,Beijing 100084,China;Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China;Key Laboratory of Nuclear Data,China Institute of Atomic Energy,Beijing 102413,China;Institute of Nuclear Physics and Chemistry,China Academy of Engineering Physics,Mianyang 621900,China;University of South China,Hengyang 421001,China;Northwest Institute of Nuclear Technology,Xi’an 710024,China;Department of Engineering and Applied Physics,University of Science and Technology of China,Hefei 230026,China;Beihang University,Beijing 100083,China;Xi’an Jiaotong University,Xi’an 710049,China)
基金
Supported by National Key R&D Program of China(2016YFA0401604)
National Natural Science Foundation of China(11775006)
Science and Technology on Nuclear Data Laboratory and China Nuclear Data Center
