开发用于绝对测量放射性核素活度的新型 4πβ-4πγ 检测系统

IF 1.9 4区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS pure and applied geophysics Pub Date : 2024-07-24 DOI:10.1007/s00024-024-03543-8
Heranudin
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引用次数: 0

摘要

通过测量 60Co 溶液的放射性活度,开发并测试了用于实施 4πβ(塑料闪烁体)-4πγ 巧合计数技术的新系统。该系统以二进制列表模式数据的形式捕获能量和时间戳,通过 Python 脚本实现离线分析方法(OAM)。这项技术使我们能够轻松完善和修改分析参数,而无需不断收集新数据。OAM 使我们能够应对各种挑战,例如死区时间和意外巧合。它还包含对背景和衰变的校正。为了确定源的活性,我们使用计算机化的判别方法改变了 β 效率,并将其推断为 100% 的效率。我们的研究结果与参考值非常吻合。这项研究为放射性核素测量技术提供了宝贵的见解,为精确测量绝对放射性提供了一个强大的系统。
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Development of a New 4πβ–4πγ Detection System for Absolute Measurement of Radionuclide Activity

A new system for the implementation of the 4πβ (plastic scintillator)–4πγ coincidence counting technique was developed and tested by measuring the activity of a 60Co solution. This system captures energy and time stamps in the form of binary list mode data to implement an offline-analysis method (OAM) through Python scripts. This technique enables us to easily refine and modify the analysis parameters without having to constantly gather new data. The OAM allows us to address various challenges such as dead time and accidental coincidences. It also incorporates corrections for background and decay. To determine the activity of a source, the β efficiency was varied using computerized discrimination methods and extrapolated to an efficiency of 100%. The results of our study demonstrated excellent agreement with the reference value. This study contributes valuable insights into radionuclide measurement techniques, offering a robust system for precise absolute radioactivity measurements.

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来源期刊
pure and applied geophysics
pure and applied geophysics 地学-地球化学与地球物理
CiteScore
4.20
自引率
5.00%
发文量
240
审稿时长
9.8 months
期刊介绍: pure and applied geophysics (pageoph), a continuation of the journal "Geofisica pura e applicata", publishes original scientific contributions in the fields of solid Earth, atmospheric and oceanic sciences. Regular and special issues feature thought-provoking reports on active areas of current research and state-of-the-art surveys. Long running journal, founded in 1939 as Geofisica pura e applicata Publishes peer-reviewed original scientific contributions and state-of-the-art surveys in solid earth and atmospheric sciences Features thought-provoking reports on active areas of current research and is a major source for publications on tsunami research Coverage extends to research topics in oceanic sciences See Instructions for Authors on the right hand side.
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