碱卤闪烁体的分支输运模型
Branching Transport Model of Alkali-Halide Scintillators
摘要：
我们测量的闪烁体光发射脉冲的时间依赖性在不同的温度下，在NaI（Tl）晶体，激活后的γ射线。我们确认，有两个主要的非指数分量的时间衰减，并发现它们的振幅比显示Arrhenius温度依赖性。我们解释这些非指数成分所产生的两个竞争机制的载流子运输的TI激活水平。NaI（Tl）探测器的总光输出表现出线性的温度依赖性解释我们的模型。
英文摘要：
We measure the time dependence of the scintillator light-emission pulses in NaI(Tl) crystals at different temperatures, after activation by gamma rays. We confirm that there are two main nonexponential components to the time decay and find that their amplitude ratio shows Arrhenius temperature dependence. We explain these nonexponential components as arising from two competing mechanisms of carrier transport to the Tl activation levels. The total light output of the NaI(Tl) detectors shows a linear temperature dependence explained by our model.
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