摘要
本文介绍了一种简单、方便而又能精确刻度β塑料闪烁体能谱仪的实用方法.实验使用了^(22)Na、^(137)Cs、^(54)Mn和^(207)Bi等4个γ标准源对β塑料闪烁体能谱仪进行了精确的能量刻度,选取了β能谱仪对单能γ射线响应的康普顿能谱后缘的半高点作为能量参照点.并根据此结果分析处理了^(90)Sr-^(90)Y源的β能谱,其端点能量为2.298±0.90MeV.
In this paper, a simple, convenient, precise and practical method for the calibration of β-scintillation energy spectrometer is introduced. The β-scintillation energy spectrometer is calibrated precisely by using four sources of ^(22)Na,^(137)Cs, ^(54)Mn and ^(207)Bi. The half high points of the response curve of the spectrometer on the right hand side of the Comption peaks are chosen as the energy calibration points. According to this calibration result, the β-energy spectrum of ^(90)Sr-^(90)Y source is analysed. Its end-point energy is 2.298±0.090 MeV.
出处
《高能物理与核物理》
CSCD
北大核心
1993年第5期391-395,共5页
High Energy Physics and Nuclear Physics
