Measurement of Br(n,γ)cross sections up to stellar s-process temperatures at the CSNS Back‑n
摘要
The neutron capture cross sections(n,γ)of bromine were obtained using the time-of-flight technique at the Back-n facility of the China Spallation Neutron Source.Promptγ-rays originating from neutron-induced capture events were detected using four C_(6)D_(6) detectors.The pulse-height weighting technique and double-bunch unfolding method based on Bayesian theory were used in the data analysis.Background deductions,normalization,and corrections were carefully considered to obtain reliable measurement results.The multilevel R-matrix Bayesian code SAMMY was used to extract the resonance parameters in the resolved resonance region(RRR).The average cross sections in the unresolved resonance region(URR)were obtained from 10 to 400 keV.The experimental results were compared with data from several evaluated libraries and previous experi-ments in the RRR and URR.The TALYS code was used to describe the average cross sections in the URR.The astrophysical Maxwell average cross sections(MACSs)of ^(79,81)Br from kT=5 to 100 keV were calculated over a sufficiently wide range of neutron energies.At a thermal energy of kT=30 keV,the MACS value for ^(79)Br 682±68 mb was in good agreement with the KADoNiS v1.0 recommended value.By contrast,the value of 293±29 mb for ^(81)Br was substantially higher than that of the evaluated database and the KADoNiS v1.0 recommended value.
基金
This work was supported by the National Natural Science Foundation of China(Nos.U1832182,11875328,11761161001,and U2032137)
the Natural Science Foundation of Guangdong Province,China(Nos.18zxxt65 and 2022A1515011184)
the Science and Technology Development Fund,Macao SAR(Grant No.008/2017/AFJ)
the Macao Young Scholars Program of China(No.AM201907)
the China Postdoctoral Science Foundation(Nos.2016LH0045 and 2017M621573)
the Fundamental Research Funds for the Central Universities(Nos.22qntd3101 and 2021qntd28).
参考文献7
-
1Jie Ren,Xichao Ruan,Jie Bao,Guangyuan Luan,Wei Jiang,Qi An,Huaiyong Bai,Ping Cao,Qiping Chen,Yonghao Chen,Pinjing Cheng,Zengqi Cui,Ruirui Fan,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,Haoyu Jiang,Hantao Jing,Ling Kang,Mingtao Kang,Bo Li,Lun Li,Qiang Li,Xiao Li,Yang Li,Yang Li,Rong Liu,Shubin Liu,Xingyan Liu,Yinglin Ma,Changjun Ning,Binbin Qi,Zhaohui Song,Hong Sun,Xiaoyang Sun,Zhijia Sun,Zhixin Tan,Hongqing Tang,Jingyu 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,Han Yi,Li Yu,Tao Yu,Yongji Yu,Guohui Zhang,Jing Zhang,Linhao Zhang,Liying Zhang,Qingmin Zhang,Qiwei Zhang,Xianpeng Zhang,Yuliang Zhang,Zhiyong Zhang,Yingtan Zhao,Liang Zhou,Zuying Zhou,Danyang Zhu,Kejun Zhu,Peng Zhu.The C_(6)D_(6)detector system on the Back-n beam line of CSNS[J].Radiation Detection Technology and Methods,2019,3(3):274-282. 被引量:1
-
2Zhi-Zhou Ren,Yi-Wei Yang,Yong-Hao Chen,Rong Liu,Bang-Jiao Ye,Jie Wen,Hai-Rui Guo,Zi-Jie Han,Qi-Ping Chen,Zhong-Wei Wen,Wei-Li Sun,Han Yi,Xing-Yan Liu,Tao Ye,Jiang-Bo Bai,Qi An,Jie Bao,Yu Bao,Ping Cao,Hao-Lei Chen,Zhen Chen,Zeng-Qi Cui,Rui-Rui Fan,Chang-Qing Feng,Ke-Qing Gao,Xiao-Long Gao,Min-Hao Gu,Chang-Cai Han,Guo-Zhu He,Yong-Cheng He,Yang Hong,Yi-Wei Hu,Han-Xiong Huang,Xi-Ru Huang,Hao-Yu Jiang,Wei Jiang,Zhi-Jie Jiang,Han-Tao Jing,Ling Kang,Bo Li,Chao Li,Jia-Wen Li,Qiang Li,Xiao Li,Yang Li,Jie Liu,Shu-Bin Liu,Ze Long,Guang-Yuan Luan,Chang-Jun Ning,Meng-Chen Niu,Bin-Bin Qi,Jie Ren,Xi-Chao Ruan,Zhao-Hui Song,Kang Sun,Zhi-Jia Sun,Zhi-Xin Tan,Jing-Yu Tang,Xin-Yi Tang,Bin-Bin Tian,Li-Jiao Wang,Peng-Cheng Wang,Zhao-Hui Wang,Xiao-Guang Wu,Xuan Wu,Li-Kun Xie,Xiao-Yun Yang,Li Yu,Tao Yu,Yong-Ji Yu,Guo-Hui Zhang,Lin-Hao Zhang,Qi-Wei Zhang,Xian-Peng Zhang,Yu-Liang Zhang,Zhi-Yong Zhang,Lu-Ping Zhou,Zhi-Hao Zhou,Ke-Jun Zhu.Measurement of the ^(232)Th(n,f)cross section in the 1-200 MeV range at the CSNS Back-n[J].Nuclear Science and Techniques,2023,34(8):142-153. 被引量:2
-
3Xin-Rong Hu,Gong-Tao Fan,Wei Jiang,Jie Ren,Long-Xiang Liu,Hong-Wei Wang,Ying-Du Liu,Xin-Xiang Li,Yue Zhang,Zi-Rui Hao,Pan Kuang,Xiao-He Wang,Ji-Feng Hu,Bing Jiang,De-Xin Wang,Suyalatu Zhang,Zhen-Dong An,Yu-Ting Wang,Chun-Wang Ma,Jian-Jun He,Jun Su,Li-Yong Zhang.Measurements ofthe 197Au(n, γ) crosssectionupto100keV at the CSNSBack-nfacility[J].Nuclear Science and Techniques,2021,32(9):126-135. 被引量:2
-
4Jing-Yu Tang,Qi An,Jiang-Bo Bai,Jie Bao,Yu Bao,Ping Cao,Hao-Lei Chen,Qi-Ping Chen,Yong-Hao Chen,Zhen Chen,Zeng-Qi Cui,Rui-Rui Fan,Chang-Qing Feng,Ke-Qing Gao,Xiao-Long Gao,Min-Hao Gu,Chang-Cai Han,Zi-Jie Han,Guo-Zhu He,Yong-Cheng He,Yang Hong,Yi-Wei Hu,Han-Xiong Huang,Xi-Ru Huang,Hao-Yu Jiang,Wei Jiang,Zhi-Jie Jiang,Han-Tao Jing,Ling Kang,Bo Li,Chao Li,Jia-Wen Li,Qiang Li,Xiao Li,Yang Li,Jie Liu,Rong Liu,Shu-Bin Liu,Xing-Yan Liu,Ze Long,Guang-Yuan Luan,Chang-Jun Ning,Meng-Chen Niu,Bin-Bin Qi,Jie Ren,Zhi-Zhou Ren,Xi-Chao Ruan,Zhao-Hui Song,Kang Sun,Zhi-Jia Sun,Zhi-Xin Tan,Xin-Yi Tang,Bin-Bin Tian,Li-Jiao Wang,Peng-Cheng Wang,Zhao-Hui Wang,Zhong-Wei Wen,Xiao-Guang Wu,Xuan Wu,Li-Kun Xie,Xiao-Yun Yang,Yi-Wei Yang,Han Yi,Li Yu,Tao Yu,Yong-Ji Yu,Guo-Hui Zhang,Lin-Hao Zhang,Qi-Wei Zhang,Xian-Peng Zhang,Yu-Liang Zhang,Zhi-Yong Zhang,Lu-Ping Zhou,Zhi-Hao Zhou,Ke-Jun Zhu,无.Back-n white neutron source at CSNS and its applications[J].Nuclear Science and Techniques,2021,32(1):95-104. 被引量:6
-
5姜炳,韩建龙,任杰,蒋伟,王小鹤,郭子安,张江林,胡继峰,陈金根,蔡翔舟,王宏伟,刘龙祥,李鑫祥,胡新荣,张岳.Measurement of ^(232)Th(n,γ)cross section at the CSNS Back-n facility in the unresolved resonance region from 4 keV to 100 keV[J].Chinese Physics B,2022,31(6):74-81. 被引量:1
-
6胡新荣,刘龙祥,蒋伟,任杰,范功涛,王宏伟,曹喜光,宋龙龙,刘应都,张岳,李鑫祥,郝子锐,匡攀,王小鹤,胡继峰,姜炳,王德鑫,张苏雅拉吐,安振东,王玉廷,马春旺,何建军,苏俊,张立勇,杨宇萱,金晟,陈开杰.New experimental measurement of^(nat)Se(n,γ)cross section between 1 eV to 1 keV at the CSNS Back-n facility[J].Chinese Physics B,2022,31(8):117-124. 被引量:1
-
7李鑫祥,刘龙祥,蒋伟,任杰,王宏伟,范功涛,何建军,曹喜光,宋龙龙,张岳,胡新荣,郝子锐,匡攀,姜炳,王小鹤,胡继峰,王金成,王德鑫,张苏雅拉吐,刘应都,麻旭,马春旺,王玉廷,安振东,苏俊,张立勇,杨宇萱,刘文博,苏琬晴,金晟,陈开杰.Measurements of the ^(107)Ag neutron capture cross sections with pulse height weighting technique at the CSNS Back-n facility[J].Chinese Physics B,2022,31(3):109-116. 被引量:2
二级参考文献3
-
1赵健,贺国珠,颜拥军,张奇玮,周祖英.BaF_2闪烁体探测器信号数字化方法研究[J].原子能科学技术,2013,47(4):669-673. 被引量:7
-
2唐靖宇,敬罕涛,夏海鸿,唐洪庆,张闯,周祖英,阮锡超,张奇玮,杨征.先进裂变核能的关键核数据测量和CSNS白光中子源[J].原子能科学技术,2013,47(7):1089-1095. 被引量:21
-
3WANG FangWei,LIANG TianJiao,YIN Wen,YU QuanZhi,HE LunHua,TAO JuZhou,ZHU Tao,JIA XueJun,ZHANG ShaoYing.Physical design of target station and neutron instruments for China Spallation Neutron Source[J].Science China(Physics,Mechanics & Astronomy),2013,56(12):2410-2424. 被引量:7
共引文献6
-
1Qi Zhao,Yang‑Bo Nie,Yan‑Yan Ding,Shi‑Yu Zhang,Jie Ren,Kuo‑Zhi Xu,Xin‑Yi Pan,Xi‑Chao Ruan.Measurement and simulation of the leakage neutron spectra from Fe spheres bombarded with 14 MeV neutrons[J].Nuclear Science and Techniques,2023,34(12):17-29.
-
2Rui He,Xiao‑Yang Niu,Yi Wang,Hong‑Wei Liang,Hong‑Bang Liu,Ye Tian,Hong‑Lin Zhang,Chao‑Jie Zou,Zhi‑Yi Liu,Yun‑Long Zhang,Hai‑Bo Yang,Ju Huang,Hong‑Kai Wang,Wei‑Jia Han,Bei Cao,Gang Chen,Cong Dai,Li‑Min Duan,Rui‑Rui Fan,Fang‑Fa Fu,Jian‑Hua Guo,Dong Han,Wei Jiang,Xian‑Qin Li,Xin Li,Zhuo‑Dai Li,Yu‑Tie Liang,Shun Liao,De‑Xu Lin,Cheng‑Ming Liu,Guo‑Rui Liu,Jun‑Tao Liu,Ze Long,Meng‑Chen Niu,Hao Qiu,Hu Ran,Xiang‑Ming Sun,Bo‑Tan Wang,Jia Wang,Jin‑Xiang Wang,Qi‑Lin Wang,Yong‑Sheng Wang,Xiao‑Chuan Xia,Hao‑Qing Xie,He‑Run Yang,Hong Yin,Hong Yuan,Chun‑Hui Zhang,Rui‑Guang Zhao,Ran Zheng,Cheng‑Xin Zhao.Advances in nuclear detection and readout techniques[J].Nuclear Science and Techniques,2023,34(12):281-358. 被引量:1
-
3Sheng-Da Tang,Yong-Hao Chen,Jing-Yu Tang,Rui-Rui Fan,Qiang Li,Gong Li,Dong Liu,Zheng-Yao Jin,Xing-Zhu Cui,Tian-Xiang Chen,Yi-Wei Yang,Rong Liu,Han Yi,Yang Li,Zhen Yang,Qi An,Hao-Fan Bai,Jiang-Bo Bai,Jie Bao,Ping Cao,Qi-Ping Chen,Zhen Chen,Zeng-Qi Cui,An-Chuan Fan,Chang-Qing Feng,Fan-Zhen Feng,Ke-Qing Gao,Min-Hao Gu,Chang-Cai Han,Zi-Jie Han,Guo-Zhu He,Yong-Cheng He,Yang Hong,Yi-Wei Hu,Han-Xiong Huang,Wei-Hua Jia,Hao-yu Jiang,Wei Jiang,Zhi-jie Jiang,Ling Kang,Bo Li,Chao Li,Jia-Wen Li,Xiao Li,Jie Liu,Shu-Bin Liu,Guang-Yuan Luan,Chang-Jun Ning,Bin-Bin Qi,Jie Ren,Zhi-Zhou Ren,Xi-Chao Ruan,Zhao-Hui Song,Kang Sun,Zhi-Xin Tan,Li-Jiao Wang,Peng-Cheng Wang,Zhao-Hui Wang,Zhong-Wei Wen,Xiao-Guang Wu,Xuan Wu,Li-Kun Xie,Yong-Ji Yu,Guo-Hui Zhang,Lin-Hao Zhang,Mo-Han Zhang,Qi-Wei Zhang,Xian-Peng Zhang,Yu-Liang Zhang,Yue Zhang,Zhi-Yong Zhang,Mao-Yuan Zhao,Lu-Ping Zhou,Zhi-Hao Zhou,Ke-Jun Zhu.Nondestructive technique for identifying nuclides using neutron resonance transmission analysis at CSNS Back-n[J].Nuclear Science and Techniques,2024,35(1):178-187.
-
4徐健,武云云,郭文,翟贺争,王曼瑶,张琪,丁艳秋.^(6)LiF-^(7)LiF与CR39监测中子个人剂量浅析[J].中国辐射卫生,2023,32(6):626-631.
-
5Jie-Ming Xue,Song Feng,Yong-Hao Chen,Han Yi,Min Xiao,Pin-Jing Cheng,Xin-Xiang Li,Rong Liu,Yi-Wei Yang,Zi-Jie Han,Da-Jun Zhao,Hao-Qiang Wang,Bao-Qian Li,Ji-Rong Zhao,Lei-Xun Tang,Wen Luo,Bo Zheng.Measurement of the neutron-induced total cross sections of ^(nat)Pb from 0.3 eV to 20 MeV on the Back-n at CSNS[J].Nuclear Science and Techniques,2024,35(2):85-93.
-
6Yan-Yan Ding,Yang-Bo Nie,Yue Zhang,Zhi-Jie Hu,Qi Zhao,Huan-Yu Zhang,Kuo-Zhi Xu,Shi-Yu Zhang,Xin-Yi Pan,Chang-Lin Lan,Jie Ren,Xi-Chao Ruan.Benchmark experiment on slab^(238)U with D-T neutrons for validation of evaluated nuclear data[J].Nuclear Science and Techniques,2024,35(2):145-159.
-
1薛洁明,冯松,陈永浩,易晗,李鑫祥,肖敏,程品晶,刘荣,羊奕伟,韩子杰,赵大俊,王豪强,李宝钱,赵继荣,刘梓隽,陈朝敏,罗文,郑波.Measurement and analysis of the neutron-induced total cross-sections of 209Bi from 0.3 eV to 20 MeV on the Back-n at CSNS[J].Chinese Physics C,2023,47(12):56-63. 被引量:2
-
2Ying Chen,Wei Gu,Jiajie Xu,Yongchao Zhang,Geyong Min.Dynamic Task Offloading for Digital Twin-Empowered Mobile Edge Computing via Deep Reinforcement Learning[J].China Communications,2023,20(11):164-175. 被引量:1
-
3Rebecca Pachuau,A.Gandhi,Namrata Singh,A.Kumar,Mayur Mehta,S.V.Suryanarayana,L.S.Danu,B.K.Nayak,B.Lalremruata.Measurement of neutron capture cross section on^(71)Ga at 2.15 and 3.19 MeV and uncertainty propagation and covariance analysis[J].Chinese Physics C,2023,47(7):72-80.
-
4Linghua Xie,Nicola R.Napolitano,Xiaotong Guo,Crescenzo Tortora,Haicheng Feng,Antonios Katsianis,Rui Li,Sirui Wu,Mario Radovich,Leslie K.Hunt,Yang Wang,Lin Tang,Baitian Tang,Zhiqi Huang.Toward a stellar population catalog in the Kilo Degree Survey:The impact of stellar recipes on stellar masses and star formation rates[J].Science China(Physics,Mechanics & Astronomy),2023,66(12):203-229.
-
5Rana A. Almousa,Mohamed M. Shoukri.Temporal Variations in Mortality after Liver Transplantation: Retrospective Investigation of Potential Risk Factors Using Propensity Score[J].Open Journal of Epidemiology,2023,13(4):250-259.
-
6Ágnes Cziráki.Stability of Nuclei Based on the New Proton and Neutron Model[J].Natural Science,2023,15(12):289-299.
-
7朱传新,郭海瑞,王佳,郑普,鹿心鑫,朱通华.Measurement of^(169)Tm(n,2n)^(168)Tm reaction cross sections from 12 to 19.8 MeV[J].Chinese Physics C,2023,47(11):57-61.
-
8Jia‑Xin Li,Hui‑Liang Hou,Yue‑Feng Huang,Mao‑Song Cheng,Zhi‑Min Dai.Pulse-shaping method for real-time neutron/gamma discrimination at low sampling rates[J].Nuclear Science and Techniques,2023,34(11):51-63.
-
9邵凯,闫力力,王光宇.压缩感知重构算法的两步深度展开策略研究[J].智能系统学报,2023,18(5):1117-1126.
-
10Nick VITSAS,Iordanis EVANGELOU,Georgios PAPAIOANNOU,Anastasios GKARAVELIS.Opening design using bayesian optimization[J].Virtual Reality & Intelligent Hardware,2023,5(6):550-564.