用钆箔模拟热中子的记录效率
Modeling the registration efficiency of thermal neutrons by gadolinium foils
摘要：
本文给出了用天然Gd及其157同位素平面平行箔制成的转换器的热中子登记效率的数学模型结果。在所执行的计算中，考虑了具有相应波长1、1.8、3和4 $A^0$的中子的四个固定能量。我们计算了转换器的效率为电子逃逸到额半球和后半球和他们的总和，取决于转换箔的厚度。我们的计算与实验数据的比较结果。
英文摘要：
In the paper we present the results of mathematical modeling of the registration efficiency of thermal neutrons for the converters made of natural Gd and its 157 isotope plane-parallel foils. In the performed calculations four fixed energies of neutrons with the corresponding wavelengths of 1, 1.8, 3 and 4 $A^0$ are taken into account. We calculate the efficiencies of the converter for electron escapes to frontward and backward hemispheres and their sum, depending on thickness of converting foils. Results of comparison of our calculations with the experimental data are presented.
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