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Updated: Apr 20, 2026

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
Published on: January 30, 2020
Calculation of coincidence summing in gamma-ray spectrometry with the EGS5 code
Tsuyoshi Kajimoto1, Satoru Endo1, Nguyen Tat Thanh1
1Graduate School of Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima 739-8527, Japan.
Abstract:
Coincidence summing correction factors, including not only γ-γ and X-γ, but also β-γ and conversion electron-γ, coincidences were calculated by Monte Carlo simulation of decay schemes by using the EGS5 code. A large contribution from β-rays to the factors was found for 24Na for the n-type detector in the case of close source-to-detector geometry with a point source.
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