XIA UltraLo-1800对测量带电样品的响应表征
Characterization of XIA UltraLo-1800 Response to Measuring Charged Samples
摘要：
商业阿尔法计数器用于科学和工业应用，以筛查材料的表面氡子体污染。在本文中，我们描述了XIA UltraLo-1800，电离漂移α计数器，并研究了嵌入式聚乙烯样品测量电荷的响应。我们表明，这种影响的建模是可能的，在一个基于Geant 4的模拟框架，并试图获得更正。本文还证明了使用防静电风扇来消除嵌入电荷并恢复α计数器中97.73%的α检测效率的有效性。
英文摘要：
Commercial alpha counters are used in science and industry applications to screen materials for surface radon progeny contamination. In this paper, we characterize an XIA UltraLo-1800, an ionization drift alpha counter, and study the response to embedded charge in polyethylene sample measurements. We show that modeling such effects is possible in a Geant4-based simulation framework and attempt to derive corrections. This paper also demonstrates the effectiveness of the use of an anti-static fan to eliminate the embedded charge and recover a 97.73% alpha detection efficiency in the alpha counter.
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