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反散射壁和反散射形状对60钴γ射线和200千伏X射线在小体积内光谱能量沉积的影响。

The influence of the counter wall and the counter shape on the spectral energy deposition in small volumes by 60Co gamma-rays and 200 kV x-rays.

作者信息

Eickel R, Booz J

出版信息

Radiat Environ Biophys. 1976 Jul 30;13(2):145-65. doi: 10.1007/BF01332175.

DOI:10.1007/BF01332175
PMID:959482
Abstract

The spectral energy deposition in small volumes by 60Co gamma-rays and by 200 kV X-rays was measured with a walled spherical counter, a walled cylindrical counter and a wall-less cylindrical counter. The simulated volumes had dimensions of 0.1--3 mum. By comparing the spectra of the spherical and cylindrical walled counters the influence of the counter shape is derived. The wall effect is discussed by comparing the spectra and the mean lineal energy measured with the walled and the wall-less cylindrical counters. The influence of the counter size and of radiation quality on the energy deposition spectra is also analysed.

摘要

使用带壁球形计数器、带壁圆柱形计数器和无壁圆柱形计数器测量了60Coγ射线和200 kV X射线在小体积中的光谱能量沉积。模拟体积的尺寸为0.1 - 3微米。通过比较球形和圆柱形带壁计数器的光谱，得出计数器形状的影响。通过比较带壁和无壁圆柱形计数器测量的光谱和平均线性能量来讨论壁效应。还分析了计数器尺寸和辐射质量对能量沉积光谱的影响。

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本文引用的文献

1
The elimination of the end effects in counters.计数器中端部效应的消除。
Rev Sci Instrum. 1951 Jan;22(1):37-42. doi: 10.1063/1.1745736.
2
Distribution of radiation energy in the cell.细胞内辐射能量的分布。
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An assessment of wall effects in microdosimetric measurements.
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丝偏心对圆柱形正比计数器性能的影响。
Radiat Environ Biophys. 1995 Nov;34(4):245-9. doi: 10.1007/BF01209750.
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The RBE of 30 kV X-rays for the induction of dicentric chromosomes in human lymphocytes.30 kV X射线对人淋巴细胞中双着丝粒染色体诱导的相对生物效应。
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