TDCRPy: A python package for TDCR measurements

IF 1.6 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR Applied Radiation and Isotopes Pub Date : 2024-09-10 DOI:10.1016/j.apradiso.2024.111518

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Abstract

The TDCR (Triple-to-Double Coincidence Ratio) measurement technique is a primary standardization method used by metrology laboratories to accurately determine the activity of radioactive solutions, particularly for radionuclides unsuitable for traditional coincidence counting methods, such as pure beta emitters. The TDCR method leverages a liquid scintillation counter equipped with three photomultiplier tubes (PMTs). This paper introduces TDCRPy, a novel Python package developed by the BIPM, designed to calculate detection efficiency of liquid scintillation counters using Monte Carlo simulations and decay data evaluations from the Decay Data Evaluation Project (DDEP). The software simulates particle interactions within the liquid scintillation counter, utilizing pre-calculated probability distributions for energy deposition. Comparisons with the PENNUC/NUR code and tests with measurement from the BIPM.RI(II)-K1.Co-60 key comparison demonstrate the potential of TDCRPy. This open-source package is distributed at https://pypi.org/project/TDCRPy and available for collaborative development on GitHub https://github.com/RomainCoulon/TDCRPy, where detailed user documentation can be found.

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TDCRPy：用于 TDCR 测量的 python 软件包

TDCR（三对双巧合比）测量技术是计量实验室用来精确测定放射性溶液放射性活度的主要标准化方法，尤其适用于不适合传统巧合计数法的放射性核素，如纯β发射体。TDCR 方法利用配备三个光电倍增管（PMT）的液体闪烁计数器。本文介绍了由国际粒子监测中心开发的新型 Python 软件包 TDCRPy，该软件包旨在利用蒙特卡罗模拟和衰变数据评估项目（DDEP）的衰变数据评估来计算液体闪烁计数器的探测效率。该软件利用预先计算的能量沉积概率分布，模拟粒子在液体闪烁计数器内的相互作用。与 PENNUC/NUR 代码的比较以及与 BIPM.RI(II)-K1.Co-60 关键比较的测量结果的测试表明了 TDCRPy 的潜力。该开源软件包发布于 https://pypi.org/project/TDCRPy，可在 GitHub https://github.com/RomainCoulon/TDCRPy 上进行合作开发，并可在此找到详细的用户文档。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Radiation and Isotopes 工程技术-核科学技术

CiteScore

3.00

自引率

12.50%

发文量

406

审稿时长

13.5 months

期刊介绍： Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.