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Post-Neutron Mass Yield Distribution in the Epi-Cadmium Neutron-Induced Fission of 237Np
Nuclear Science and Engineering ( IF 1.2 ) Pub Date : 2021-08-31 , DOI: 10.1080/00295639.2021.1951078
H. Naik 1 , S. P. Dange 1 , W. Jang 2 , R. J. Singh 1
Affiliation  

Abstract

Mass yield distribution in the epi-cadmium neutron-induced fission of 237Np has been carried out by measuring the cumulative yields of fission products within the mass ranges of 78 to 117 and 123 to 157. A radiochemical and off-line gamma-ray spectrometric technique was used for the measurement. From the cumulative yields of the fission products, mass chain yields were obtained by applying the charge distribution correction. Mass yield distribution parameters such as the full-width at tenth-maximum of light and heavy mass wings, the peak-to-valley (P/V) ratio, and the average light mass <AL> and heavy mass (<AH>) as well as the average number of neutrons <ν> were obtained. The mass yield data in the epi-cadmium neutron-induced fission of 237Np were compared with the similar data in thermal and 14.5- to 14.7-MeV neutrons to examine the role of excitation energy in nuclear structure effect and P/V ratio.



中文翻译:

237Np 外镉中子诱导裂变中的后中子质量产率分布

摘要

通过测量 78 至 117 和 123 至 157 质量范围内裂变产物的累积产率,进行了237 Np 外镉中子诱导裂变的质量产率分布。 放射化学和离线伽马射线光谱技术被用于测量。从裂变产物的累积产率中,通过应用电荷分布校正获得质量链产率。质量产率分布参数,如轻质和重质翼的第十大处全宽、峰谷(P/V)比、平均轻质<A L >和重质(<A H >) 以及平均中子数 <ν> 被获得。237 外镉中子诱发裂变的质量产率数据将 Np 与热中子和 14.5 至 14.7-MeV 中子的类似数据进行比较,以检查激发能在核结构效应和 P/V 比中的作用。

更新日期:2021-08-31
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