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Updated: Apr 15, 2026

Automated 90Sr Separation and Preconcentration in a Lab-on-Valve System at Ppq Level
Published on: June 6, 2018
A Monte Carlo study of an energy-weighted algorithm for radionuclide analysis with a plastic scintillation detector
Wook-Geun Shin1, Hyun-Cheol Lee1, Chang-Il Choi2
1Department of Radiation Convergence Engineering, Yonsei University, Republic of Korea.
Abstract:
Nuisance and false alarms due to naturally occurring radioactive material (NORM) are major problems facing radiation portal monitors (RPMs) for the screening of illicit radioactive materials in airports and ports. Based on energy-weighted counts, we suggest an algorithm that distinguishes radioactive nuclides with a plastic scintillation detector that has poor energy resolution. Our simulation study, using a Monte Carlo method, demonstrated that man-made radionuclides can be separated from NORM by using a conventional RPM.
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