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The effect of incidental radiations on the determination of α or β particles by liquid scintillation counting for low quenched samples

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Abstract

Low quenched samples containing 241Am, 137Cs, or 60Co have been investigated by liquid scintillation counting using two-vial configuration, with the aim to study the effect of incidental radiations on the counting efficiency of α or β particles. For β determination, the effect of incidental radiations mainly depends on whether they are in coincidence with the β particles. While for α determination, the counting efficiency of α particles can hardly be affected by the incidental radiations if a proper α/β discrimination parameter is applied. When coincidence exists, summation effect can offset the effect of incidental radiations.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (21271113) and Program for Changjiang Scholars and Innovative Research Team in University (IRT13026). The authors acknowledge the valuable suggestions and discussions with Dr. Xiaolin Hou from Technical University of Denmark.

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Correspondence to Xiao-gui Feng.

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Feng, Xg., He, Qg., Wang, Jc. et al. The effect of incidental radiations on the determination of α or β particles by liquid scintillation counting for low quenched samples. J Radioanal Nucl Chem 308, 67–79 (2016). https://doi.org/10.1007/s10967-015-4361-5

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  • DOI: https://doi.org/10.1007/s10967-015-4361-5

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