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HPGe测量连续硬X射线能谱的方法研究

Method studies on spectrum measurement of continuous hard X-ray measurement by HPGe detector

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【作者】 全林屠荆刘月恒罗建辉张晓林陈志华王春义李达宋晓靓

【Author】 QUAN Lin TU Jing LIU Yue-heng LUO Jian-hui ZHANG Xiao-lin CHEN Zhi-huan WANG Chun-yi LI Da SONG Xiao-liang (Northwest Institute of Nuclear Technology,P.O.Box 69-16,Xi’an 710024,China)

【机构】 西北核技术研究所

【摘要】 采用数值模拟与实验测量相结合的方法,完成了探测系统刻度,得到了该探测器对单能光子的能量全响应函数,在此基础上探索出改进的剥谱法,对测量得到的连续硬X射线能谱进行解析,扣除了测量谱中非光电效应对每道计数的贡献,复现了测量位置处的实际能谱,并对该能谱测量方法进行了误差分析,提出了进一步完善措施。

【Abstract】 The method of spectrum unfolded was studied and applied to correct continuous hard X-ray measurement spectrum on the base of energy respond function of single-energy photon and relative effi- ciency curve for the HPGe detector which had been got by simulated calculation and measurement,the in- fluence of counts for each channels coming from nophotoelectric effect has been avoided in the measure- ment spectrum.The reality spectrum was rebuilt and the improve measures of precision for this measure- ment method of spectrum were advanced by error analyse.

【关键词】 HPGe探测器连续硬X射线能谱误差
【Key words】 HPGe detectorcontinuous hard X-rayspectrumerror
  • 【文献出处】 核电子学与探测技术 ,Nuclear Electronics & Detection Technology , 编辑部邮箱 ,2008年06期
  • 【分类号】TH842
  • 【被引频次】1
  • 【下载频次】113
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