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Systematics of input parameters for the Los Alamos model with sequential emission
The European Physical Journal A ( IF 2.6 ) Pub Date : 2020-09-08 , DOI: 10.1140/epja/s10050-020-00189-7
Anabella Tudora

The application of the Point-by-Point treatment to numerous fission cases (i.e. 74 cases including many actinides fissioning spontaneously or induced by thermal neutrons and fast neutrons with energies up to the threshold of the second chance fission) has emphasized interesting systematic behaviors of different quantities characterizing the fission fragments. Such systematics can provide values of the input parameters for a new version of the Los Alamos (LA) model including the sequential emission of prompt neutrons, which was recently developed and validated. The prompt neutron spectrum results based on the systematics of input parameters are obtained in good agreement with the experimental data of many actinides. The LA model with sequential emission together with the proposed systematics of its input parameters can predict prompt neutron spectra of fissioning nuclei without any experimental information, thus it becomes an useful tool for prompt neutron spectrum evaluations.

中文翻译:

具有顺序发射的Los Alamos模型的输入参数的系统学

逐点治疗在众多裂变病例中的应用(即74例包括许多自发裂变的by系元素或由热中子和能量高达第二次机会裂变阈值的快中子引起的act变)强调了各种不同的有趣的系统行为裂变碎片特征的数量。这样的系统可以为新版本的洛斯阿拉莫斯(LA)模型提供输入参数的值,包括快速中子的连续发射,该模型最近得到了开发和验证。获得了基于输入参数系统的迅速中子谱结果,与许多act系元素的实验数据吻合良好。
更新日期:2020-09-08
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