期刊论文

Luo, Wen

英文

Annals of Nuclear Energy

0306-4549

2020

140

107158

10.1016/j.anucene.2019.107158

This work is supported by the National Natural Science Foundation of China, China (Grant Nos. 11675075 and 11605084), the Natural Science Foundation of Hunan Province, China (Grant No. 2018JJ2315) and the Research Foundation of Education Bureau of Hunan Province, China (Grant No. 18A236). W. L. appreciates the support from the Youth Talent Project of Hunan Province, China (Grant No. 2018RS3096). H. Y. L. appreciates the support from the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology & Equipment, University of South China (2019KFQ13).

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In this work, we propose a novel approach to transmute long-lived radionuclides, by using γ-radiation emitted in the bombardment of light nuclei by low-energy proton beams. We used Monte Carlo simulations to demonstrate the feasibility of photo-transmutation of hazardous radioactive cesium and iodine by the γ-radiation from proton capture in 7Li. The dependence of the γ-ray the proton energy (in the region of the 441 keV resonance) and on the thickness of 7Li target are presented. For 10 mA proton beam, the γ-ray yield is estimated to be 2....