Gamma ray self-absorption correction for cylindrical volume-sources

Yu Caiqin Li Guozhen Bian Hongxia Xu Xunjiang

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Gamma ray self-absorption correction for cylindrical volume-sources

更新时间：2021-04-20

- Gamma ray self-absorption correction for cylindrical volume-sources
- NUCLEAR TECHNIQUES Issue 9, (1991)
- 作者机构：
  
  中国科学院上海原子核研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：01 September 1991
- 稿件说明：
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[1]虞彩琴,李国祯,卞虹霞,许浔江.圆柱形体源的γ射线自吸收校正[J].核技术,1991(09):562-568.

Yu Caiqin Li Guozhen Bian Hongxia Xu Xunjiang. Gamma ray self-absorption correction for cylindrical volume-sources[J]. Nuclear techniques, 1991, (9): 562-568.
[1]虞彩琴,李国祯,卞虹霞,许浔江.圆柱形体源的γ射线自吸收校正[J].核技术,1991(09):562-568. DOI：

Yu Caiqin Li Guozhen Bian Hongxia Xu Xunjiang. Gamma ray self-absorption correction for cylindrical volume-sources[J]. Nuclear techniques, 1991, (9): 562-568. DOI：

摘要

本文叙述了圆柱形源的γ射线自吸收校正。制备了四种介质的液体

它们相应的密度分别为1.0

1.25

1.50

1.83g/cm

把每种液体做成六种厚度的源。γ射线能量在122—1332.5keV范围内。所测得的自吸收校正因子与理论计算值在～5％的误差范围内一致。通过最小二乘法拟合了样品厚度与效率的关系曲线。本文还得出了圆柱形源的最佳厚度。

Abstract

Gamma ray self-absorption correction for cylindrical volume-sources is described. Four kinds of solution were prepared

with densities of 1.0

1.25

1.50 and 1.83g/cm3 respectively. From each solution six sources with different thicknesses were made. The Gamma ray energies used were between 122.1 keV and 1332.5 keV. The self-absorption correction factors were determined. They were consistent well with the results of theoretical calculation within an error of about 5%. The efficiency curves for cylindrical volume-sources with various thicknesses were drawn by the least square method. The optimal thickness for cylindrical volume-sources was given.

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