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首页> 外文期刊>Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine >Statistical analysis of low-level material screening measurements via gamma-spectroscopy.
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Statistical analysis of low-level material screening measurements via gamma-spectroscopy.

机译:通过伽马光谱法对低水平物质筛选测量值进行统计分析。

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摘要

Background estimations in neutrinoless double beta decay experiments (0nubetabeta) require reliable statistical limits on gamma-spectrometric low-level material screening measurements. For this purpose a custom method based on Bayesian statistics with reference to the international standard ISO 11929-7 is presented. The analysis combines the data from sample- and background spectra and comprises the physical knowledge of non-negative counting rates. It allows to incorporate multiple gamma lines of radionuclides. The confidence intervals pass continuously from two-sided intervals into single-sided upper limits.
机译:中微子双β衰变实验(0nubeta)的背景估计需要对伽玛光谱低水平物质筛选测量值具有可靠的统计限制。为此,提出了一种基于贝叶斯统计的自定义方法,并参考了国际标准ISO 11929-7。该分析结合了来自样品和背景光谱的数据,并且包含了非负计数率的物理知识。它允许并入多条放射性核素的伽马线。置信区间从双面区间连续变为单面上限。

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