Dose mapping of a 252Cf based non-destructive on-line elemental analysis device using Monte Carlo simulation and verification with experimental results

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL Radiation Physics and Chemistry Pub Date : 2024-10-23 DOI:10.1016/j.radphyschem.2024.112328

Handan Yilmaz, İskender Atilla Reyhancan

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Abstract

Environmental dose values are critical for human health in non-destructive analysis systems. The International Commission on Radiological Protection (ICRP) has defined specific limitations for permissible dose values. This study assesses the dose distribution of a prototype analysis device utilizing Californium-252 (252Cf) radioactive material through both Monte Carlo simulations and laboratory experiments. Conducted at the Istanbul Technical University (ITU) Energy Institute, the experimental investigation measured gamma-ray and neutron dose values surrounding the device. The objective was to compare dose maps generated by the Monte Carlo-based GEANT4 code with experimental data. Ten dose maps were created, and fundamental statistical analyses were performed. Results indicate that the dose values on the operator’s working surface of the prototype device are within ICRP limits, not exceeding 1 millisievert (mSv) annually, with an effective dose rate of 0.949±0.052 mSv per year. These findings underscore the device’s potential for safe and effective use in radiation safety and environmental dose assessment.

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利用蒙特卡洛模拟绘制基于 252Cf 的无损在线元素分析装置的剂量图，并与实验结果进行验证

在非破坏性分析系统中，环境剂量值对人体健康至关重要。国际辐射防护委员会（ICRP）对允许剂量值做出了具体限制。本研究通过蒙特卡罗模拟和实验室实验，评估了使用锎-252（252Cf）放射性物质的原型分析设备的剂量分布。实验调查在伊斯坦布尔技术大学（ITU）能源研究所进行，测量了装置周围的伽马射线和中子剂量值。目的是将基于蒙特卡洛的 GEANT4 代码生成的剂量图与实验数据进行比较。共绘制了十张剂量图，并进行了基本的统计分析。结果表明，原型装置操作员工作面的剂量值在 ICRP 限制范围内，每年不超过 1 毫西弗 (mSv)，有效剂量率为每年 0.949±0.052 毫西弗。这些研究结果凸显了该装置在辐射安全和环境剂量评估中安全有效使用的潜力。

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来源期刊

Radiation Physics and Chemistry 化学-核科学技术

CiteScore

5.60

自引率

17.20%

发文量

574

审稿时长

12 weeks

期刊介绍： Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. 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. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.