An optimal measuring timetable for thoron measurements by using Lucas scintillation cell

Area of Science:

• Environmental Science
• Nuclear Physics
• Analytical Chemistry

Background:

• Thoron ((220)Rn) detection is crucial for environmental and radiological assessments.
• Existing measurement protocols using Lucas scintillation cells have varying uncertainties.
• Optimizing measurement efficiency for thoron is an ongoing challenge.

Purpose of the Study:

• To theoretically investigate and optimize measurement timetables for thoron ((220)Rn) using Lucas scintillation cells.
• To identify a measurement routine that minimizes uncertainty in (220)Rn quantification.
• To compare the proposed routine against existing methods for efficiency gains.

Main Methods:

• Development of a custom simulation program to analyze measurement principles.
• Theoretical study of measurement uncertainty based on simulation data.
• Evaluation of different counting timetables for thoron ((220)Rn) detection.

Main Results:

• A novel measurement timetable of 1-minute consecutive counting, repeated 10 times, was identified as optimal.
• This new routine significantly reduces the uncertainty in thoron ((220)Rn) measurements.
• The optimized timetable demonstrated a reduction in uncertainty exceeding 19% compared to previous methods.

Conclusions:

• The proposed 10-minute measurement routine offers superior accuracy for thoron ((220)Rn) detection.
• This optimized protocol enhances the reliability of environmental and radiological monitoring using Lucas scintillation cells.
• The findings provide a practical improvement for precise thoron measurements.