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Measurements of differential and angle-integrated cross sections for the 10B（n, α）7Li reaction in the neutron energy range from 1.0 eV to 2.5 MeV

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Chinese Physics C 2019年第12期43卷 47-74页

作者： Haoyu jiang Wei jiang Huaiyong Bai Zengqi Cui Guohui Zhang Ruirui Fan HanYi Changjun Ning Liang Zhou Jingyu Tang Qi An Jie Bao Yu Bao Ping Cao Haolei Chen Qiping Chen Yonghao Chen Yukai Chen Zhen Chen Changqing Feng Keqing Gao Minhao Gu Changcai Han Zijie Han Guozhu He Yongcheng He Yang Hong Hanxiong Huang Weiling Huang Xiru Huang Xiaolu Ji Xuyang Ji Zhijie jiang hantao Jing Ling Kang Mingtao Kang Bo Li Chao Li Jiawen Li Lun Li Qiang Li Xiao Li Yang Li Rong Liu Shubin Liu Xingyan Liu Guangyuan Luan Qili Mu Binbin Qi Jie Ren Zhizhou Ren Xichao Ruan Zhaohui Song Yingpeng Song Hong Sun Kang Sun Xiaoyang Sun Zhijia Sun Zhixin Tan Hongqing Tang Xinyi Tang Binbin Tian Lijiao Wang Pengcheng Wang Qi Wang Taofeng Wang Zhaohui Wang Jie Wen Zhongwei Wen Qingbiao Wu Xiaoguang Wu Xuan Wu Likun Xie Yiwei Yang Li Yu Tao Yu Yongji Yu Linhao Zhang Qiwei Zhang Xianpeng Zhang Yuliang Zhang Zhiyong Zhang Yubin Zhao Luping Zhou Zuying Zhou Danyang Zhu Kejun Zhu Peng Zhu State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China State Key Laboratory of Particle Detection and Electronics Department of Modem Physics University of Science and Technology of ChinaHefei 230026China Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China Institute of Nuclear Physics and Chemistry China Academy of Engineering PhysicsMianyang 621900China Northwest Institute of Nuclear Technology Xi'an 710024China University of Chinese Academy of Sciences Beijing 100049China Department of Engineering and Applied Physics University of Science and Technology of ChinaHefei 230026China School of Physics Beihang UniversityBeijing 100083China

Differential and angle-integrated cross sections for the 10B(n,α)^7 Li,10B(n,α0)^7 Li and 10B(n,α1)^7 Li^*reactions have been measured at CSNS Back-n white neutron *** enriched(90%)10B samples 5.0 cm in diameter and^85.0μg/cm^2 in thickness each with an aluminum backing were prepared,and back-to-back mounted at the sample *** charged particles were detected using the silicon-detector array of the Light-charged Particle Detector Array(LPDA)*** neutron energy En was determined by TOF(time-of-flight)method,and the valid a events were extracted from the En-Amplitude two-dimensional *** 15 silicon detectors,the differential cross sections of a-particles were measured from 19.2°to 160.8°.Fitted with the Legendre polynomial series,the(n,a)cross sections were obtained through *** absolute cross sections were normalized using the standard cross sections of the 10B(n,α)^7 Li reaction in the 0.3-0.5 MeV neutron energy *** measurement neutron energy range for the 10B(n,α)^7 Li reaction is 1.0 eV≤En<2.5 Me V(67 energy points),and that for the 10B(n,α0)^7 Li and10B(n,α1)^7 Li^*reactions is 1.0 eV≤En<1.0 MeV(59 energy points).The present results have been analyzed by the resonance reaction mechanism and the level structure of the 11B compound system,and compared with existing measurements and evaluations.

关键词： 10B(n,α)^7Li reaction cross sections LPDA CSNS Back-n white neutron source

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中国散裂中子源伴生质子束实验平台及其应用

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现代应用物理 2024年第4期15卷 64-69页

作者：黄泽棋谭志新李强董启凡田斌斌姜炳敬罕涛散裂中子源科学中心广东东莞523803 中国科学院高能物理研究所北京100049 中国科学院大学北京100039

基于中国散裂中子源(China Spallation Neutron Source,CSNS)建设的伴生质子束实验平台(associated proton beam experiment platform,APEP)主要用于宇航器件及设备的辐照损伤研究。质子能量在10~80 MeV之间连续可调,束流能散小于10%,束斑尺寸和束流流强也能够根据实验需求进行调节。自2021年10月投入运行以来,APEP已经开展了电子元器件辐照损伤实验、探测器标定实验、各类材料辐照损伤研究等百余项多学科实验研究,为我国多学科特别是辐照损伤效应领域的科学研究和应用研究提供了一个重要的质子束实验平台。

关键词：中国散裂中子源伴生质子束实验平台辐照损伤效应探测器质子标定

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腰痛舒痹方联合温针灸治疗风寒湿痹型腰椎间盘突出症临床研究

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新中医 2024年第1期56卷 104-107页

作者：朱晓雨袁韩涛胡洪奎姜海涛盛文博李四波上海中医药大学上海201203 上海中医药大学附属第七人民医院上海200137

目的:观察腰痛舒痹方联合温针灸治疗腰椎间盘突出症的临床疗效及对血清中炎症介质白细胞介素-1β(IL-1β)、肿瘤坏死因子-α(TNF-α)表达的影响。方法:选取腰椎间盘突出症患者90例,采用随机数字表法分为中药组、针灸组、联合组各30例。... 详细信息

目的:观察腰痛舒痹方联合温针灸治疗腰椎间盘突出症的临床疗效及对血清中炎症介质白细胞介素-1β(IL-1β)、肿瘤坏死因子-α(TNF-α)表达的影响。方法:选取腰椎间盘突出症患者90例,采用随机数字表法分为中药组、针灸组、联合组各30例。中药组给予腰痛舒痹方治疗,针灸组给予温针灸治疗,联合组给予腰痛舒痹方联合温针灸治疗,疗程6周。评价3组临床疗效,比较3组治疗前后视觉模拟评分法(VAS)评分、Oswestry功能障碍指数(ODI)评分,并检测血清IL-1β、TNF-α水平。结果:联合组总有效率高于中药组和针灸组(P<0.05)。治疗后,3组VAS评分、ODI指数均较治疗前降低(P<0.05);且联合组VAS评分、ODI指数均低于中药组和针灸组(P<0.05)。治疗后,3组IL-1β、TNF-α水平均较治疗前降低(P<0.05),且联合组IL-1β、TNF-α水平均低于中药组和针灸组(P<0.05)。结论:腰痛舒痹方联合温针灸治疗风寒湿痹型腰椎间盘突出症可提高临床疗效,减轻患者疼痛,改善腰部活动度,降低血清中炎症因子的表达,提高患者生活自理能力。

关键词：腰椎间盘突出症风寒湿痹证腰痛舒痹方温针灸白细胞介素-1β 肿瘤坏死因子-α 腰椎功能

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Measurement of differential cross sections of neutron-induced deuteron production reactions on carbon from 25 to 52 MeV

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Chinese Physics C 2021年第6期45卷 109-120页

作者： Zengqi Cui Haoyu jiang Kang Sun Guohui Zhang Ruirui Fan Wei jiang Huaiyong Bai Yiwei Hu Jie Liu Han Yi Changjun Ning Zhijia Sun Jingyu Tang Qi An Jie Bao Yu Bao Ping Cao Haolei Chen Qiping Chen Yonghao Chen Yukai Chen Zhen Chen Changqing Feng Keqing Gao Minhao Gu Changcai Han Zijie Han Guozhu He Yongcheng He Yang Hong Hanxiong Huang Weiling Huang Xiru Huang Xiaolu Ji Xuyang Ji Zhijie jiang hantao Jing Ling Kang Mingtao Kang Bo Li Chao Li Jiawen Li Lun Li Qiang Li Xiao Li Yang Li Rong Liu Shubin Liu Xingyan Liu Guangyuan Luan Qili Mu Binbin Qi Jie Ren Zhizhou Ren Xichao Ruan Zhaohui Song Yingpeng Song Hong Sun Xiaoyang Sun Zhixin Tan Hongqing Tang Xinyi Tang Binbin Tian Lijiao Wang Pengcheng Wang Qi Wang Taofeng Wang Zhaohui Wang Jie Wen Zhongwei Wen Qingbiao Wu Xiaoguang Wu Xuan Wu Likun Xie Yiwei Yang Li Yu Tao Yu Yongji Yu Linhao Zhang Qiwei Zhang Xianpeng Zhang Yuliang Zhang Zhiyong Zhang Yubin Zhao Luping Zhou Zuying Zhou Danyang Zhu Kejun Zhu Peng Zhu State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China University of Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Particle Detection and Electronics Department of Modern Physics University of Science and Technology of ChinaHefei 230026China Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China Institute of Nuclear Physics and Chemistry China Academy of Engineering PhysicsMianyang 621900China Northwest Institute of Nuclear Technology Xi'an 710024China Department of Engineering and Applied Physics University of Science and Technology of ChinaHefei 230026China School of Physics Beihang UniversityBeijing 100083China

The angle-differential cross sections of neutron-induced deuteron production from carbon were measured at six neutron energies from 25 to 52 MeV relative to those of n-p elastic scattering at the China Spallation Neutron Source(CSNS)Back-n white neutron *** employing theΔE-E telescopes of the Light-charged Particle Detector Array(LPDA)system at 15.1°to 55.0°in the laboratory system,ratios of the angle-differential cross sections of the ^(12)C(n,xd)reactions to those of the n-p scattering were measured,and then,the angle-differential cross sections of the ^(12)C(n,xd)reactions were obtained using the angle-differential cross sections of the n-p elastic scattering from the JENDL-4.0/HE-2015 library as the *** obtained results are compared with data from previous measurements,all of which are based on mono-energic neutrons,the evaluated data from the JENDL-4.0/HE-2015 library and the ENDF-B/VIII.0 library,and those from theoretical calculations based on INCA code and Talys-1.9 *** the first white-neutron-source-based systematic measurement of the angle-differential cross sections of neutron-induced deuteron production reactions on carbon in several tens of MeV,the present work can provide a reference to the data library considering the lack of experimental data.

关键词： ^(12)C(n,xd)reactions relative angle-differential cross sections CSNS Back-n white neutron source LPDA

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Neutron capture cross section of ^(169)Tm measured at the CSNS Back-n facility in the energy region from 30 to 300 keV

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Chinese Physics C 2022年第4期46卷 92-104页

作者： Jie Ren Xichao Ruan Wei jiang Jie Bao Jincheng Wang Qiwei Zhang Guangyuan Luan Hanxiong Huang Yangbo Nie Zhigang Ge Qi An Huaiyong Bai Yu Bao Ping Cao Haolei Chen Qiping Chen Yonghao Chen Yukai Chen Zhen Chen Zengqi Cui Ruirui Fan Changqing Feng Keqing Gao Minhao Gu Changcai Han Zijie Han Guozhu He Yongcheng He Yang Hong Weiling Huang Xiru Huang Xiaolu Ji Xuyang Ji Haoyu jiang Zhijie jiang hantao Jing Ling Kang Mingtao Kang Bo Li Chao Li Jiawen Li Lun Li Qiang Li Xiao Li Yang Li Rong Liu Shubin Liu Xingyan Liu Qili Mu Changjun Ning Binbin Qi Zhizhou Ren Yingpeng Song Zhaohui Song Hong Sun Kang Sun Xiaoyang Sun Zhijia Sun Zhixin Tan Hongqing Tang Jingyu Tang Xinyi Tang Binbin Tian Lijiao Wang Pengcheng Wang Qi Wang Taofeng Wang Zhaohui 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 Linhao Zhang Xianpeng Zhang Yuliang Zhang Zhiyong Zhang Yubin Zhao Luping Zhou Zuying Zhou Danyang Zhu Kejun Zhu Peng Zhu Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China State Key Laboratory of Particle Detection and Electronics Department of Modern Physics University of Science and Technology of ChinaHefei 230026China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Institute of Nuclear Physics and Chemistry China Academy of Engineering PhysicsMianyang 621900China Northwest Institute of Nuclear Technology Xi'an 710024China University of Chinese Academy of Sciences Beijing 100049China Department of Engineering and Applied Physics University of Science and Technology of ChinaHefei 230026China School of Physics Beihang UniversityBeijing 100083China

The capture cross sections of the ^(169)Tm(n,γ)reaction were measured at the back streaming white neutron beam line(Back-n)of the China Spallation Neutron Source(CSNS)using four C_(6)D_(6) liquid scintillation *** background subtraction,normalization,and correction were carefully considered in the data analysis to obtain accurate cross *** the resonance at 3.9 eV,the R-matrix code SAMMY was used to determine the resonance parameters with the internal normalization *** average capture cross sections of ^(169)Tm for energy between 30 and 300 keV were extracted relative to the ^(197)Au(n,γ)*** measured cross sections of the ^(169)Tm(n,γ)reaction were reported in logarithmically equidistant energy bins with 20 bins per energy decade with a total uncertainty of 5.4%-7.0% in this study and described in terms of average resonance parameters using a Hauser-Feshbach calculation with *** point-wise cross sections and the average resonance parameters showed fair agreement with the evaluated values of the ENDF/B-Ⅷ.0 library in the energy region studied.

关键词： ^(169)Tm(n,γ)^(170)Tm reaction capture cross section PHWT CSNS Back-n white neutron source

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Measurement of the differential cross sections and angle-integrated cross sections of the ~6Li(n,t)~4 He reaction from 1.0 eV to 3.0 MeV at the CSNS Back-n white neutron source

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Chinese Physics C 2020年第1期44卷 58-85页

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 State Key Laboratory of Nuclear Physics and Technology Institute of Heavy Ion PhysicsSchool of PhysicsPeking UniversityBeijing 100871China Sate Key Laboratory of Particle Detection and Electronics Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Dongguan Neutron Science Center Dongguan 523803China Physics Department Tsinghua UniversityBeijing 100084China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China Institute of Nuclear Physics and Chemistry China Academy of Engineering PhysicsMianyang 621900China University of South China Hengyang 421001China Northwest Institute of Nuclear Technology Xi’an 710024China Department of Engineering and Applied Physics University of Science and Technology of ChinaHefei 230026China Beihang University Beijing 100083China Xi’an Jiaotong University Xi’an 710049China

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 *** 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 *** results indicate that the anisotropy of the emitted tritium is noticeable above E_n=100 *** angle-integrated cross-sections are also *** present differential cross-sections agree in general with the previous evaluations,but there are some differences in the *** 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.

关键词： ~6Li(n,t)~4He reaction differential cross-section angle-integrated cross-section LPDA

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中国散裂中子源伴生质子辐照实验平台及其技术参数的确定

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现代应用物理 2024年第2期15卷 94-102页

作者：谭志新敬罕涛樊瑞睿黄良生蒋伟李强何泳成王林于永积宁常军黄蔚玲邱瑞阳曾磊孙晓阳曹秀霞马娜李论散裂中子源科学中心加速器技术部广东东莞523803 中国科学院高物理研究所东莞研究部北京100049

为了利用负氢离子加速器中伴随产生的质子成分,中国散裂中子源(China Spallation Neutron Source,CSNS)在直线加速器末端建设了伴生质子辐照实验平台(associated protons experimental platform,APEP)。为了确定其性能参数,采用散射测... 详细信息

为了利用负氢离子加速器中伴随产生的质子成分,中国散裂中子源(China Spallation Neutron Source,CSNS)在直线加速器末端建设了伴生质子辐照实验平台(associated protons experimental platform,APEP)。为了确定其性能参数,采用散射测量、束斑照相、同位素活化法等实验方法对伴生质子辐照实验平台的主要参数进行了刻度。实验证实,该辐照平台可以提供的质子能量范围为10~80 MeV,束斑分布均匀,束流强度范围为1.2×10^(7)~4.0×10^(9) cm^(-2)·s^(-1)。伴生质子辐照实验平台运行稳定,每年提供超过5000 h的束流时间,可以满足宇航器件可靠性测试、探测器刻度、辐照育种以及材料抗辐照特性测试等多种应用需求。

关键词：中国散裂中子源伴生质子束负氢离子能量刻度参数测试

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内蒙古自治区呼伦贝尔市鼠类感染肾综合征出血热的病原学研究

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中华地方病学杂志 2016年第5期35卷 373-377页

作者：南晓伟郭卫东韩松杨晓娟卢爱桃海岩跃华张玉峰蒋维佳内蒙古疾病预防控制中心传染病预防控制所呼和浩特010031 内蒙古莫力达瓦达斡尔族自治旗疾病预防控制中心流行病科呼伦贝尔162850 贵州省疾病预防控制中心检验科贵阳550000

目的查明引起内蒙古自治区呼伦贝尔市鼠类感染肾综合征出血热（HFRS）的病毒基因型及亚型。方法2014年春季在呼伦贝尔市莫力达瓦旗HFRS疫区捕获啮齿类宿主动物，对捕获的宿主动物进行分类鉴定。取90只鉴定后的鼠进行无菌解剖取肺组织．... 详细信息

目的查明引起内蒙古自治区呼伦贝尔市鼠类感染肾综合征出血热（HFRS）的病毒基因型及亚型。方法2014年春季在呼伦贝尔市莫力达瓦旗HFRS疫区捕获啮齿类宿主动物，对捕获的宿主动物进行分类鉴定。取90只鉴定后的鼠进行无菌解剖取肺组织．提取RNA．用实时荧光定量反转录PCR（***—PCR）扩增汉滩型病毒（HTNV）、汉城型病毒（SEOV）及普拉马病毒（PUUV），对扩增结果为阳性标本以反转录PCR（RT-PCR）法扩增部分S基因片段，将目的片段测序且与已知病毒序列进行系统发生分析并分型。结果呼伦贝尔市HFRS疫区是以姬鼠型为主的混合疫区，捕获鼠类共10种362只，鼠类平均密度为13．92％（362／2600）。野外以黑线姬鼠为优势鼠种（占43．21％，70／162），其次为大林姬鼠（占34．57％，56／162）；居民区以褐家鼠为优势鼠种（占40．50％，81／200），其次为黑线姬鼠（占31．50％，63／200）。在90份鼠肺组织中，23份鼠肺样品检测到汉坦病毒（HV），且均为HTNV。对10株部分S片段核苷酸产物进行序列测定，均为HTNV的H6亚型。结论引起内蒙古自治区呼伦贝尔市鼠类感染HFRS的病毒基因型为HTNV，其S基因亚型为H6。

关键词：肾综合征出血热汉坦病毒 S基因分型种系进化

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中国第一台高性能白光中子源——CSNS反角白光中子源及其应用

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原子能科学技术 2019年第10期53卷 2012-2022页

作者：唐靖宇安琪白怀勇鲍杰曹平陈琪萍陈永浩程品晶崔增琪樊瑞睿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璐吉旭阳江浩雨蒋伟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辉王征文杰温中伟吴青彪吴晓光吴煊解立坤羊奕伟易晗于莉余滔于永积张国辉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良周祖英朱丹阳朱科军朱鹏中国科学院高能物理研究所北京100049 中国科学技术大学工程与应用物理系安徽合肥230026 北京航空航天大学北京100083 西安交通大学陕西西安710049 散裂中子源科学中心广东东莞523803 核探测与核电子学国家重点实验室北京100049/合肥230026 中国科学技术大学近代物理系安徽合肥230026 北京大学物理学院核物理与核技术国家重点实验室北京100871 中国原子能科学研究院核数据重点实验室北京102413 中国工程物理研究院核物理与化学研究所四川绵阳621900 南华大学湖南衡阳421001 西北核技术研究所陕西西安710024

基于中国散裂中子源(CSNS)建设的我国第一台高性能白光中子源——反角白光中子源(Back-n)是国际上综合性能最好的白光中子源之一,能区范围覆盖meV~百MeV,飞行时间测量分辨率可在全能区达到1%以内,中子注量率国际领先。自2018年3月建成以... 详细信息

基于中国散裂中子源(CSNS)建设的我国第一台高性能白光中子源——反角白光中子源(Back-n)是国际上综合性能最好的白光中子源之一,能区范围覆盖meV~百MeV,飞行时间测量分辨率可在全能区达到1%以内,中子注量率国际领先。自2018年3月建成以来,Back-n已开展了一系列的核数据测量实验、探测器标定实验、中子辐射效应实验和中子照相研究,科研产出效率非常高,实验数据质量达到了研究要求,为我国多领域的科学研究和应用研究提供了一个强大的平台。本文对该白光中子源的性能特点、已投入运行和规划中的核数据测量实验谱仪进行了综述,并指出了主要应用方向。

关键词：核数据测量反应截面白光中子源实验谱仪

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