Gross count multi-spectra analysis of weak activity sources amid elevated background and various shielded conditions
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Abstract
Current methods to detect low activity radiological sources in areas with elevated or changing background may be insufficient for assessing real-time events. Background radiation fluctuates throughout the day, which thwarts the effectiveness of decision thresholds (y*) extrapolated from long background count times. However, decision thresholds calculated from a string of spectral measurements can be used to optimize the decision threshold (y*) at which count rates statistically exceed background. The goal of this project is to apply a frequentist string data analysis tool to real-time gross count ...
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