Simulation on Transmutation of Long-lived Fission Product <sup>135</sup>Cs by Shanghai Laser Electron Gamma Source

LI Zhuo-cheng; ZHU Zhi-chao; SONG Ying-ming; FAN Gong-tao; WANG Xiao-dong; WANG Xing-liu; LUO Wen

doi:10.7538/yzk.2016.50.05.0884

Atomic Energy Science and Technology > 2016 > 50(5): 884-890. > DOI: 10.7538/yzk.2016.50.05.0884

LI Zhuo-cheng, ZHU Zhi-chao, SONG Ying-ming, FAN Gong-tao, WANG Xiao-dong, WANG Xing-liu, LUO Wen. Simulation on Transmutation of Long-lived Fission Product ¹³⁵Cs by Shanghai Laser Electron Gamma Source[J]. Atomic Energy Science and Technology, 2016, 50(5): 884-890. DOI: 10.7538/yzk.2016.50.05.0884

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Simulation on Transmutation of Long-lived Fission Product ¹³⁵Cs by Shanghai Laser Electron Gamma Source

1.
School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
2.
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China

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Abstract

Combining Monte Carlo laser-Compton scattering X/γ-ray simulation program 4D-MCLCSS and Geant4 toolkit, the γ-ray production and the induced photo-transmutation of ¹³⁵Cs using Shanghai Laser Electron Gamma Source (SLEGS) were modeled. The dependence of photon-transmutation rate on the ¹³⁵Cs target geometry parameter was predicted. The distribution of transmutation product of ¹³⁵Cs was also investigated. It is found that an optimal thickness and radius for ¹³⁵Cs target are 55 cm and 0.6 cm, respectively. Accordingly, the photon-transmutation rate is calculated to be 1.62×10⁶ s^-1, which is an order of magnitude higher than that by laser-driven bremsstrahlung sources. It is suggested that the SLEGS facility is useful for photon-transmutation of long-lived fission products, such as ¹³⁵Cs.
- photo-transmutation,
- Compton scattering γ-ray,
- long-lived fission product ¹³⁵Cs,
- Geant4

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Simulation on Transmutation of Long-lived Fission Product 135Cs by Shanghai Laser Electron Gamma Source

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Simulation on Transmutation of Long-lived Fission Product ¹³⁵Cs by Shanghai Laser Electron Gamma Source