低活度环境测量中长期用锗探测器峰值效率精确估计补充方法的可靠性检验

Q4 Engineering

Journal of Electrical and Electronics Engineering Pub Date : 2022-08-15 DOI:10.33140/jeee.01.01.03

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引用次数: 1

摘要

使用长程超纯锗(HPGe)探测器的伽马射线能谱法需要严格的全能量峰(FEP)效率校准才能进行环境放射性测量。利用分析估计和蒙特卡罗(MC)模拟等互补方法进行FEP效率标定。在我们的工作中，对于分析估计，理论结果与实验效率的相对偏差小于6%。然而，在MC方法的情况下，只有长期使用优化的几何形状的锗探测器进行低活度环境测量，才能实现5%的总体估计标准偏差。

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Towards the Reliability Check of Complementary Methods for the Precise Estimation of Peak Efficiency of a Long Run Used Germanium Detector in Low Activity Environmental Measurements

The gamma-ray spectrometry using long run used hyper pure germanium (HPGe) detector needs a stringent full energy peak (FEP) efficiency calibration for environmental radioactivity measurements. The FEP efficiency calibration was carried out using the complementary methods like analytical estimations and Monte Carlo (MC) simulations. In our work, for the analytical estimations, the relative deviation of the theoretical results with that of experimental FEP efficiency was found to be less than 6%. However, in the case of MC methodologies, an overall estimated standard deviation of 5% could be achievable only with the optimized geometry of the long run used germanium detector for low-activity environmental measurements.

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来源期刊

Journal of Electrical and Electronics Engineering Engineering-Electrical and Electronic Engineering

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Journal of Electrical and Electronics Engineering is a scientific interdisciplinary, application-oriented publication that offer to the researchers and to the PhD students the possibility to disseminate their novel and original scientific and research contributions in the field of electrical and electronics engineering. The articles are reviewed by professionals and the selection of the papers is based only on the quality of their content and following the next criteria: the papers presents the research results of the authors, the papers / the content of the papers have not been submitted or published elsewhere, the paper must be written in English, as well as the fact that the papers should include in the reference list papers already published in recent years in the Journal of Electrical and Electronics Engineering that present similar research results. The topics and instructions for authors of this journal can be found to the appropiate sections.