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1. 中国工程物理研究院激光聚变研究中心
2. 中国科学院高能物理研究所
Published:01 December 2009
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[1]易荣清,崔延莉,杜华冰,赵屹东,崔明启,郑雷.X光电离室标准探测器研制及应用[J].核技术,2009,32(12):885-888.
YI Rongqing1 CUI Yanli1 DU Huabing1 ZHAO Yidong2 CUI Mingqi2 ZHENG Lei2 1. Development and applications of X-ray ionization chamber standard detector[J]. Nuclear techniques, 2009, 32(12): 885-888.
在电离室的内部设置探测器并采用大的电离室腔体
可直接测量气体吸收、降低气体密度分布梯度、避免由于气压不稳、窗膜吸收和窗口尺寸等引起的不确定性。本文分析了引起X光强度测量不确定度的各个因素
给出X光电离室标准探测器的测量不确定度好于5%。
Using a detector in an ionization chamber of large cavity
one is able to measure gas absorption directly
with reduced grads of gas density distribution
so as to avoid uncertainties due to air pressure instability
window absorption and size of the window film.In this paper
various factors causing uncertainties in the X-ray intensity measurement were analyzed.Uncertainty of the X-ray ionization standard detector is less than 5%.
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