Zhu Jun-Gao, Lu Hai-Yang, Zhao Yuan, Lai Mei-Fu, Gu Yong-Li, Xu Shi-Xiang, Zhou Cang-Tao. Beamline design with weak-focusing magnetic field for applications of laser-driven proton beamsJ. Acta Physica Sinica, 2022, 71(19): 194102. DOI: 10.7498/aps.71.20220599