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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

引用

Chinese Physics C 2022年第4期46卷 92-104页

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

引用

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

作者：崔增琪江浩雨孙康张国辉樊瑞睿蒋伟白怀勇胡益伟刘杰易晗宁常军孙志嘉唐靖宇安琪鲍杰鲍煜曹平陈昊磊陈琪萍陈永浩陈裕凯陈朕封常青高可庆顾旻皓韩长材韩子杰贺国珠何泳成洪杨黄翰雄黄蔚玲黄锡汝季筱路吉旭阳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栾广源穆奇丽齐斌斌任杰任智洲阮锡超宋朝晖宋英鹏孙虹孙晓阳谭志新唐洪庆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于莉余滔于永积张林浩张奇玮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 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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