Dose measurement with air ionization chamber for heavy ion radiation research

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Dose measurement with air ionization chamber for heavy ion radiation research

更新时间：2021-03-12

- Dose measurement with air ionization chamber for heavy ion radiation research
- NUCLEAR TECHNIQUES Issue 7, (2000)
- 作者机构：
  
  中国科学院近代物理研究所,兰州,730000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL81
- Published：01 July 2000
- 稿件说明：
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[1]党秉荣,卫增泉,李文建.用气体探测器监测重离子辐射生物研究的剂量[J].核技术,2000(07):496-498.

Dose measurement with air ionization chamber for heavy ion radiation research[J]. Nuclear techniques, 2000, (7): 496-498.
[1]党秉荣,卫增泉,李文建.用气体探测器监测重离子辐射生物研究的剂量[J].核技术,2000(07):496-498. DOI：

Dose measurement with air ionization chamber for heavy ion radiation research[J]. Nuclear techniques, 2000, (7): 496-498. DOI：

摘要

论述了采用平行板电离室在重离子辐射生物研究中监测剂量的原理。并就其效率、电离室的饱和特性，利用

239

Pu放射源进行了研究，同时对收集效率进行了计算。结果表明，从50－1000V的范围为饱和区；在饱和区内工作电压较高时收集效率高；这种计算电离室收集效率的方法是可靠的，可以应用在重离子辐射生物效应实验中对剂量进行修正。

Abstract

The principle of using an air ionization chamber to monitor doses in heavy ion radiation research is described. A 239Pu α source was used to measure the saturation curve of the ionization chamber and calculated the collection efficiency. The experimental results showed that the saturation voltage ranged from 50 to 1000V

and a higher collection efficiency was obtained at higher voltage in the saturation area.The method of calculating the collection efficiency is reliable and can be used to correct doses in the experiments with regard to biological effects of heavy ion radiation.

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Related Institution

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jiading Campus

中国科学院上海应用物理研究所嘉定园区

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Institute of Modern Physics, the Chinese Academy of Sciences, Lanzhou 730000, China) 2

中国科学院近代物理研究所兰州730000 中国科学院研究生院北京

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