闪烁体
闪烁
半最大全宽
分辨率(逻辑)
物理
吸收(声学)
伽马射线
激发
光子
荧光粉
闪烁计数器
原子物理学
光学
分析化学(期刊)
核物理学
化学
探测器
量子力学
人工智能
计算机科学
色谱法
作者
E.V.D. van Loef,P. Dorenbos,C.W.E. van Eijk,Karl Krämer,Hans‐Ulrich Güdel
摘要
The scintillation properties of LaBr3 doped with 0.5% Ce3+ are presented. Under optical and gamma ray excitation, Ce3+ emission is observed to peak at 356 and 387 nm. The scintillation light output is 61 000±5000 photons/MeV at 662 keV. More than 90% is emitted with a decay time of 35 ns. An energy resolution (full width at half maximum over the peak position) of 2.85%±0.05% was observed for the 662 keV full absorption peak. A time resolution of 385 ps was obtained using BaF2 as second scintillator and gamma rays of Co60.
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