Transmutation of nuclear wastes using photonuclear reactions triggered by Compton backscattering photons at the Shanghai laser electron gamma source

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CHEN Jin-Gen, XU Wang, WANG Hong-Wei, GUO Wei, MA Yu-Gang, CAI Xiang-Zhou, LU Guang-Cheng, XU Yi, PAN Qiang-Yan, YUAN Ren-Yong, XU Jia-Qiang, YAN Zhe, FAN Gong-Tao and SHEN Wen-Qing. Transmutation of nuclear wastes using photonuclear reactions triggered by Compton backscattering photons at the Shanghai laser electron gamma source[J]. Chinese Physics C, 2008, 32(8): 677-680. doi: 10.1088/1674-1137/32/8/019
CHEN Jin-Gen, XU Wang, WANG Hong-Wei, GUO Wei, MA Yu-Gang, CAI Xiang-Zhou, LU Guang-Cheng, XU Yi, PAN Qiang-Yan, YUAN Ren-Yong, XU Jia-Qiang, YAN Zhe, FAN Gong-Tao and SHEN Wen-Qing. Transmutation of nuclear wastes using photonuclear reactions triggered by Compton backscattering photons at the Shanghai laser electron gamma source[J]. Chinese Physics C, 2008, 32(8): 677-680.  doi: 10.1088/1674-1137/32/8/019 shu
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Received: 2007-10-11
Revised: 2007-11-04
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Transmutation of nuclear wastes using photonuclear reactions triggered by Compton backscattering photons at the Shanghai laser electron gamma source

    Corresponding author: CHEN Jin-Gen,

Abstract: 

Based on the facility of the Shanghai Laser Electron Gamma Source (SLEGS), the transmutation for nuclear wastes such as 137Cs and 129I is investigated. It is found that nuclear waste can be transmuted efficiently via photonuclear reaction triggered by gamma photons generated from Compton backscattering between CO2 laser photons and 3.5 GeV electrons. The nuclear activities of 137Cs and 129I are evaluated and compared with the results of transmutation triggered by bremsstrahlung gamma photons driven by ultra intense laser. Due to the better character of gamma photon spectrum as well as the high brightness of gamma photons, the transmutation rate of Compton backscattering method is much higher than that of the bremsstrahlung method.

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