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Activity determination of Ga-67 using 4 pi beta-gamma coincidence counting

机译:使用4 pi beta-gamma巧合计数的Ga-67的活性测定

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摘要

The activity of a Ga-67 solution was measured by means of the 4 pi beta-gamma coincidence counting technique. A setup with a proportional counter and non-extending dead-time modules in the two detector channels was used. The influence of the delayed state affecting the measured count rates was taken into account by using appropriate correction formulae. The analysis requires a variation of the dead time and a subsequent extrapolation to infinite dead time. An uncertainty of about 0.5% was obtained and the result was used to make an intercomparison with the SIR of the BIPM.
机译:通过4piβ-gamma重合计数技术测量Ga-67溶液的活性。 使用具有两次检测通道中的比例计数器和非扩展死区模块的设置。 通过使用适当的校正公式考虑影响测量计数率的延迟状态的影响。 分析需要死亡时间的变化和随后的外推到无限的死区时间。 获得了约0.5%的不确定性,结果用于与BIPM的先生进行相互作用。

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