| 2 | Neutron capture cross section of ^(169)Tm measured at the CSNS Back-n facility in the energy region from 30 to 300 keV显示文摘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 detectors.The background subtraction,normalization,and correction were carefully considered in the data analysis to obtain accurate cross sections.For the resonance at 3.9 eV,the R-matrix code SAMMY was used to determine the resonance parameters with the internal normalization method.The average capture cross sections of ^(169)Tm for energy between 30 and 300 keV were extracted relative to the ^(197)Au(n,γ)reaction.The 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 fluctuations.The 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. | 任杰 阮锡超 蒋伟 鲍杰 王金成 张奇玮 栾广源 黄翰雄 聂阳波 葛智刚 安琪 白怀勇 鲍煜 曹平 陈昊磊 陈琪萍 陈永浩 陈裕凯 陈朕 崔增琪 樊瑞睿 封常青 高可庆 顾旻皓 韩长材 韩子杰 贺国珠 何泳成 洪杨 黄蔚玲 黄锡汝 季筱璐 吉旭阳 江浩雨 姜智杰 敬罕涛 康玲 康明涛 李波 李超 李嘉雯 李论 李强 李晓 李样 刘荣 刘树彬 刘星言 穆奇丽 宁常军 齐斌斌 任智洲 宋英鹏 宋朝晖 孙虹 孙康 孙晓阳 孙志嘉 谭志新 唐洪庆 唐靖宇 唐新懿 田斌斌 王丽娇 王鹏程 王琦 王涛峰 王朝辉 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 张林浩 张显鹏 张玉亮 张志永 赵豫斌 周路平 周祖英 朱丹阳 朱科军 朱鹏 | 2022 | Chinese Physics C2022，46，4： | 1 |
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