高纯锗探测器的效率曲线和符合因子计算
Nuclear Techniques（2011）
Abstract
利用多能量γ射线源~(152)Eu和~(133)Ba测得高纯锗探测器在20 cm处的效率刻度曲线,结合单能量γ射线源~(241)Am和~(137)Cs获得的距离递推关系,得到高纯锗探测器在2 cm处无符合效应的效率刻度曲线。与MCNP模拟计算结果比较,获得~(60)Co在2 cm处的符合相加修正因子。
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Key words
Efficiency calibration,HPGe detector,MCNP,Coincidence factor
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