医用电子加速器高能光子水吸收剂量溯源

陆逊; 眭国平; 杭雪莲; 王鹏德; 孙荣荣; 肖瑶; 陈建新; 黄军

doi:10.11889/j.1000-3436.2017.rrj.35.060701

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医用电子加速器高能光子水吸收剂量溯源

辐射交叉学科研究 | 更新时间：2021-12-10

- 医用电子加速器高能光子水吸收剂量溯源
- Traceability of absorbed dose to water in high-energy photon beams in medical electron accelerators
- 辐射研究与辐射工艺学报 2017年35卷第6期
- 作者机构：
  
  1.上海市计量测试技术研究院上海 201203
- 作者简介：
  
  [ "陆逊, 男, 1977年11月出生, 2014年于上海理工大学毕业, 医疗器械工程专业, 1999年就职于上海市计量测试技术研究院, 计量检测岗位, 工程师, 从事电离辐射与医学计量, E-mail:lux@simt.com.cn", "LU Xun (male) was born in November 1977, and graduated from University of Shanghai for Science and Technology in 2014, majoring in medical equipment engineering. Now he engages in ionizing radiation and medical metrology in Shanghai Institute of Measurement and Testing Technology from 1999. E-mail:lux@simt.com.cn" ]
  眭国平, 高级工程师, E-mail:suigp@simt.com.cnSUI Guoping, senior engineer, E-mail:suigp@simt.com.cn
- 基金信息：
  
  质检公益性行业科研专项：医用加速器光子吸收剂量溯源技术与标准装置研究(201510001-03)
- DOI：10.11889/j.1000-3436.2017.rrj.35.060701
  中图分类号：
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陆逊, 眭国平, 杭雪莲, 等. 医用电子加速器高能光子水吸收剂量溯源[J]. 辐射研究与辐射工艺学报, 2017,35(6):060701-4.

Xun LU, Guoping SUI, Xuelian HANG, et al. Traceability of absorbed dose to water in high-energy photon beams in medical electron accelerators[J]. Journal of Radiation Research and Radiation Processing, 2017,35(6):060701-4.
陆逊, 眭国平, 杭雪莲, 等. 医用电子加速器高能光子水吸收剂量溯源[J]. 辐射研究与辐射工艺学报, 2017,35(6):060701-4. DOI： 10.11889/j.1000-3436.2017.rrj.35.060701.

Xun LU, Guoping SUI, Xuelian HANG, et al. Traceability of absorbed dose to water in high-energy photon beams in medical electron accelerators[J]. Journal of Radiation Research and Radiation Processing, 2017,35(6):060701-4. DOI： 10.11889/j.1000-3436.2017.rrj.35.060701.

摘要

采用直接法测量医用电子加速器高能光子水吸收剂量，与我国现行的从空气比释动能转化为水吸收剂量间接法测量的结果进行比较。结果表明，两种方法测量结果相差1%以内，同时用传递比较法进行了验证。证明我国基于加速器光子水吸收剂量基准而建设的水吸收剂量溯源体系是可行的，为我国水吸收剂量直接测量提供依据。

Abstract

Results obtained by direct measurement of absorbed dose to water for medical electron accelerators were compared with that by indirect measurements (through converting the measured air kerma into absorbed dose to water). Experiments results demonstrate that the difference between two methods is within 1%, it is validated by the transfer comparison method meanwhile. It is demonstrated that the absorbed dose to water traceability system based on the photon absorbed dose to water for the accelerator is feasible. This provides the basis for direct measurement of absorbed dose to water for accelerators.

关键词

高能光子水吸收剂量辐射质修正因子量值传递量值溯源

Keywords

High energy photonAbsorbed dose to waterCorrection factor for beam qualityDissemination of the value of quantityTraceability of value of quantity

references

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