Doruntin Shabani, Srinivasa T. Rangaiah, Christoph Langer, Eric Mauerhofer, Paul Zakalek, Thomas Gutberlet
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引用次数: 0
摘要
本文将金、铟箔的中子活化实验结果与PHITS和PHITS- dchain模拟的活化结果进行了比较。目的是评估这些模拟方法的准确性，以预测此类箔中诱导活性的数量。中子活化实验在德国亚琛应用科学大学使用10 Ci AmBe源进行。通过测量衰变的198Au和116mIn的γ射线能谱，利用现代BEGe探测器确定了其活度。在模拟中，采用两种方法提取活度：直接通量分析和更详细的DCHAIN计算。总的来说，在15%以内的活度一致性很好，这表明PHITS程序对这类实验的核物理输入和中子输运计算是可靠的。
Benchmarking of the PHITS simulation code using neutron activation experiments for reliable calculations of neutron fields
In this study, experimental results from neutron activation of gold and indium foils are compared with the activation simulated using PHITS and PHITS-DCHAIN codes. The aim was to evaluate the accuracy of these simulation methods for predicting the amount of induced activity in such foils. Neutron activation experiments were carried out using a 10 Ci AmBe source at the University of Applied Sciences Aachen in Germany. Activities were determined using a modern BEGe detector by measuring the γ-ray spectra of decaying 198Au and 116mIn. In the simulation, two methods were used to extract the activities: a direct flux analysis and a more detailed DCHAIN calculation. Generally, very good agreement of the activities within 15% is observed, which shows the reliable nuclear physics input and neutron transport calculation of the PHITS code for these kinds of experiments.
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An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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