Fast measurement of the quasi-monochromatic MeV [formula omitted]-beam flux using the 63Cu([formula omitted], n)62Cu reaction at the Shanghai Laser Electron Gamma Source. - Li, Zhi-Cai; Yang, Yu-Xuan; Luo, Wen; Fan, Gong-Tao; Wang, Hong-Wei; Liu, Long-Xiang; Hao, Zi-Rui; Xu, Hang-Hua; Li, Xin-Xiang; Yuan, Yun; Zhang, Yue; Jin, Sheng; et al. (Nuclear Instruments & Methods in Physics Research Section B, 2025)