用于个人剂量计测试和辐射探测器校准的参考x射线辐照系统

Pub Date : 2019-06-30 DOI:10.14407/JRPR.2019.44.2.72

Seung-Kyu Lee, I. Chang, Sang In Kim, Jungil Lee, Hyoungtaek Kim, Jang-Lyul Kim, Min Chae Kim

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引用次数: 1

摘要

材料和方法:为了产生参考x射线场，将现有的x射线发生器philips MG325替换为YXLON Y.TU 320-D03。通过理论计算和蒙特卡罗模拟确定了滤波器的初始厚度。光束对准分三个步骤进行，以在不同距离上向目标提供均匀的辐射剂量。最后，利用离子室测量了不同x射线场下的半值层，验证了光束质量。

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Reference X-ray Irradiation System for Personal Dosimeter Testing and Calibration of Radiation Detector

Materials and Methods: The existing X-ray generator, Phillips MG325, was replaced with YXLON Y.TU 320-D03 in order to generate reference X-ray fields. Theoretical calculations and Monte Carlo simulations were used to determine initial filter thickness. Beam alignment was performed in three steps to deliver a homogeneous radiation dosage to the target at different distances. Finally, the half-value layers were measured for different X-ray fields to verify beam qualities by using an ion chamber.

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