Evaluation of the self-shielding characteristics of an innovative radiosurgical system ZAP-X.

IF 0.8 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Radiation protection dosimetry Pub Date : 2025-02-05 DOI:10.1093/rpd/ncaf007

Li Mingsheng, Ma Xiangjie, Liu Ya, Wei Xiao, Sun Quanfu, Cheng Jinsheng

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引用次数: 0

Abstract

Purpose: The aim of this study was to evaluate the radiation level of a ZAP-X self-shielding system by comparing it with the requirements of the Chinese radiation protection standards and to provide a practical solution for the operation of ZAP-X in China.

Methods: Under the maximum workload of the ZAP-X system, the weekly radiation dose and the instantaneous dose rate (IDR) outside the safety perimeter of the ZAP-X system were compared to the requirements of relevant standards.

Results: The maximum weekly and annual dose equivalents, derived from the IDRs and accumulative doses, were as follows:1.99 μSv/week and 0.10 mSv/year, and 3.47 μSv/week and 0.17 mSv/year, respectively.

Conclusion: The radiation levels around the ZAP-X system meet the requirements of the weekly and annual dose constraints in relevant Chinese standards. The IDRs generated by the ZAP-X system do not meet the requirements of the existing radiation protection standards. A viable solution is to adjust the safety perimeter to comply with existing standards.

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目的：本研究旨在通过与中国辐射防护标准的要求进行比较，评估ZAP-X自屏蔽系统的辐射水平，并为ZAP-X在中国的运行提供切实可行的解决方案：方法：在ZAP-X系统最大工作负荷下，将ZAP-X系统安全边界外的周辐射剂量和瞬时剂量率（IDR）与相关标准要求进行比较：根据瞬时剂量率和累积剂量得出的每周和每年最大剂量当量分别为：1.99 μSv/week 和 0.10 mSv/year，以及 3.47 μSv/week 和 0.17 mSv/year：结论：ZAP-X 系统周围的辐射水平符合中国相关标准对周和年剂量限制的要求。ZAP-X系统产生的IDR不符合现行辐射防护标准的要求。可行的解决方案是调整安全边界以符合现有标准。

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

Radiation protection dosimetry 环境科学-公共卫生、环境卫生与职业卫生

CiteScore

1.40

自引率

10.00%

发文量

223

审稿时长

6-12 weeks

期刊介绍： Radiation Protection Dosimetry covers all aspects of personal and environmental dosimetry and monitoring, for both ionising and non-ionising radiations. This includes biological aspects, physical concepts, biophysical dosimetry, external and internal personal dosimetry and monitoring, environmental and workplace monitoring, accident dosimetry, and dosimetry related to the protection of patients. Particular emphasis is placed on papers covering the fundamentals of dosimetry; units, radiation quantities and conversion factors. Papers covering archaeological dating are included only if the fundamental measurement method or technique, such as thermoluminescence, has direct application to personal dosimetry measurements. Papers covering the dosimetric aspects of radon or other naturally occurring radioactive materials and low level radiation are included. Animal experiments and ecological sample measurements are not included unless there is a significant relevant content reason.