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由两只ＢａＦ２闪烁探测器和一只高纯锗探测器组成的延迟符合系统适用于电子俘获衰变和Ｅ０跃迁生成的ｎｓ和ｐｓ量级激发态寿命测量。快符合涉及特征Ｘ射线和相应的级联衰变γ射线测量，系统具有元素和级联选择的优点。该系统对放射性核素１５２￣Ｅｕ进行测量，除得到Ｘ－γ－γ瞬发时间谱的半高全宽度外，还分别得到１２１．７８ｋｅＶ和３６６．４８ｋｅＶ能级的半寿命分别为１．３９５±０．０３５ｎｓ和４８±１０ｐｓ。结果表明该系统适用于Ｚ≥６２的电子俘获衰变研究。
The delay consisting of two BaF2 scintillation detectors and one high-purity germanium detector is consistent with the ns and ps-order excitation lifetime measurements applicable to electron-capture decay and E0 transition generation. Fast coincidence involves characteristic X-rays and the corresponding cascaded decay gamma-ray measurements, with the advantages of elemental and cascaded selection. The system measured radionuclides 152 ~ Eu, in addition to get the full width at half maximum of the X-γ-γ instantaneous time spectrum, but also obtained the half life of 121.78keV and 366.48keV respectively, respectively 1.395 ± 0.035ns and 48 ± 10ps. The results show that the system is suitable for electron capture decay studies with Z ≧ 62.