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Characterizing the coaxial HPGe detector using Monte Carlo simulations and evolutionary algorithms
Applied Radiation and Isotopes ( IF 1.6 ) Pub Date : 2021-04-29 , DOI: 10.1016/j.apradiso.2021.109748
Irina V. Prozorova , Nima Ghal-Eh , Sergey V. Bedenko , Yury A. Popov , Andrey A. Prozorov , Hector R. Vega-Carrillo

A standard procedure for characterizing the high-purity germanium detector (HPGe), manufactured by Canberra Industries Inc., is performed directly by the company using patented methods. However, the procedure is usually expensive and must be repeated because the characteristics of the HPGe crystal changes over time. In this work, the principles of a technique for use in obtaining and optimizing the detector characteristics based on a cost-effective procedure in a standard research laboratory were developed. The technique required the geometrical parameters of the detector to be determined as precisely as possible by the Monte Carlo method in parallel with the optimization process based on evolutionary algorithms. The development of this approach facilitated the modeling of the HPGe detector as a standardized procedure. The results would be also beneficial in the development of gamma spectrometers and/or their calibrations before routine measurements.



中文翻译:

使用蒙特卡洛模拟和进化算法表征同轴HPGe检测器

堪培拉工业公司(Canberra Industries Inc.)制造的表征高纯锗探测器(HPGe)的标准程序直接由该公司使用专利方法执行。但是,该过程通常很昂贵,并且必须重复进行,因为HPGe晶体的特性会随时间变化。在这项工作中,开发了一种用于在标准研究实验室中基于具有成本效益的程序来获得和优化检测器特性的技术原理。该技术要求检测器的几何参数要通过蒙特卡洛方法与基于进化算法的优化过程并行地尽可能精确地确定。这种方法的发展促进了HPGe检测器建模的标准化过程。

更新日期:2021-05-03
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