摘要
The^(74)Se is one of 35 p-nuclei,and^(82)Se is a r-process only nucleus,and their(n,γ)cross sections are vital input parameters for nuclear astrophysics reaction network calculations.The neutron capture cross section in the resonance range of isotopes and even natural selenium samples has not been measured.Promptγ-rays originating from neutron-induced capture events were detected by four C_(6)D_(6) liquid scintillator detectors at the Back-n facility of China Spallation Neutron Source(CSNS).The pulse height weighting technique(PHWT)was used to analyze the data in the 1 e V to 100 ke V region.The deduced neutron capture cross section was compared with ENDF/B-VIII.0,JEFF-3.2,and JENDL-4.0,and some differences were found.Resonance parameters were extracted by the R-matrix code SAMMY in the 1 e V-1 ke V region.All the cross sections ofnatSe and resonance parameters are given in the datasets.The datasets are openly available at http://www.doi.org/10.11922/sciencedb.j00113.00019.
作者
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
Xin-Rong Hu;Long-Xiang Liu;Wei Jiang;Jie Ren;Gong-Tao Fan;Hong-Wei Wang;Xi-Guang Cao;Long-Long Song;Ying-Du Liu;Yue Zhang;Xin-Xiang Li;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;Yu-Xuan Yang;Sheng Jin;Kai-Jie Chen(Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;University of Chinese Academy of Sciences,Beijing 100049,China;Shanghai Advanced Research Institute,Chinese Academy of Sciences,Shanghai 201210,China;Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China;Spallation Neutron Source Science Center,Dongguan 523803,China;Key Laboratory of Nuclear Data,China Institute of Atomic Energy,Beijing 102413,China;Xiangtan University,Xiangtan 411105,China;Institute of Nuclear Physics,Inner Mongolia University for the Nationalities,Tongliao 028000,China;Sun Yat-sen University,Zhuhai 510275,China;Henan Normal University,Xinxiang 453007,China;Beijing Normal University,Beijing 100875,China;School of Physics and Microelectronics,Zhengzhou University,Zhengzhou 450052,China;ShanghaiTech University,Shanghai 200120,China)
基金
supported by the National Natural Science Foundation of China(Grant Nos.11875311,11905274,11705156,11605097,and U2032146)
the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB34030000)。