New measurements of 92Mo(γ, n) and (γ, 3n) reactions using laser-driven bremsstrahlung γ-ray
Di Wu, Haoyang Lan, J. Y. Zhang, Jiaxin Liu, Haijiao Lu, Jiayi Lv, Xuezhi Wu, Huaiwei Zhang, J. Cai, Xinlu Xu, Yixing Geng, W. F. Mader, Chen Lin, Yuan Zhao, H. R. Wang, F. L. Liu, C. Y. He, J. Q. Yu, Bing Guo, N. Y. Wang, Xueqing Yan
Abstract
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.