Influencing factors of dose equivalence for X and γ rays with different energy based on Monte Carlo

GUO Huiping; LYU Wenhui; LYU Ning; WEI Zhihao

doi:10.11889/j.0253-3219.2014.hjs.37.010203

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Influencing factors of dose equivalence for X and γ rays with different energy based on Monte Carlo

更新时间：2021-03-03

- Influencing factors of dose equivalence for X and γ rays with different energy based on Monte Carlo
- NUCLEAR TECHNIQUES Vol. 37, Issue 1, Article number: 010203(2014)
- 作者机构：
  
  第二炮兵工程大学,西安,710025
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2014.hjs.37.010203
  CLC：
- Published：20 January 2014
- 稿件说明：
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GUO Huiping, LYU Wenhui, LYU Ning, et al. Influencing factors of dose equivalence for X and γ rays with different energy based on Monte Carlo[J]. Nuclear techniques, 2014, 37(1): 010203
DOI：

GUO Huiping, LYU Wenhui, LYU Ning, et al. Influencing factors of dose equivalence for X and γ rays with different energy based on Monte Carlo[J]. Nuclear techniques, 2014, 37(1): 010203 DOI： 10.11889/j.0253-3219.2014.hjs.37.010203.

摘要

X、γ射线的广泛应用使得剂量仪器测量的准确性亟待解决，采用X射线机代替标准γ源对剂量仪器进行标校时需要了解其等效性影响因素。为研究低能X射线与天然放射源等效过程中的修正项，采用蒙特卡罗(Monte Carlo

MCNP)软件对低能X射线与高能X、γ射线等效性的影响因素进行了模拟，得出了距离、空间散射、探测器响应对剂量等效的不同影响，最后对模拟结果进行了分析。该结论可用于低能X射线与高能X、γ射线源之间的等效修正，对于X射线的广泛应用具有重要意义。

Abstract

Background: The accuracy of dosimeter measurement of X and γ rays needs to be resolved. Purpose: The aim is to study the correction term of the equivalent process of low-energy X-ray and the natural radioactive source. Methods: Instead of the standard sources

X-ray machine was adopted on the dose instrument calibration. The influence factors of the equivalence between low-energy X-ray and high-energy X or γ rays were simulated using Monte Carlo (MCNP) software. Results: The influences of distance

space scattering

response of detector on dose equivalence were obtained. The simulation results were also analyzed. Conclusion: The method can be used in dose equivalent correction for low-energy X-ray

high-energy X or γ rays

which is significant for the widespread use of X rays.Cited

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