New measurements of 92Mo(γ, n) and (γ, 3n) reactions using laser-driven bremsstrahlung γ-ray
Frontiers in Physics(2023)
摘要
The flux-weighted average cross sections and isomeric ratios of 92 Mo( γ , n) 91m,g Mo and 92 Mo( γ , 3n) 89 Mo reactions were measured through activation methods. Laser-driven bremsstrahlung γ -ray were generated by the laser wakefield accelerated quasi-monoenergetic electrons using the 200 TW laser in the Compact Laser Plasma Accelerator laboratory, Peking University. The results showed good agreements with previous works using traditional γ -ray sources, and were compared with TALYS 1.9 calculations. We extended the experimental results of 92 Mo photonuclear reactions to higher energies, the experimental discrepancies of 92 Mo( γ , n) 91m,g Mo isomeric ratios at high energy region were clarified, and the cross sections of 92 Mo( γ , 3n) 89 Mo reaction were first obtained.
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关键词
reactions,laser-driven
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