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New experimental measurement of^(nat)Se(n,γ)cross section between 1 eV to 1 keV at the CSNS Back-n facility 被引量:2
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作者 Xin-Rong Hu Long-Xiang Liu +24 位作者 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 《Chinese Physics B》 SCIE EI CAS CSCD 2022年第8期117-124,共8页
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... 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. 展开更多
关键词 ^(nat)Se(n γ)cross section CSNS Back-n facility C_6D_6 detectors resolved resonance region Rmatrix
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