Author(s): Wenpeng Wang, Zhengxing lv, Fengyu Sun, Zhiyong Shi, Xiaoming Lu, Yi Xu, Jinfeng Li, Rongjie Xu, Zongxin Zhang, Jiayi Qian, Jiacheng Zhu, Xiaoyan Liang, Yuxin Leng, Ruxin Li, and Zhizhan Xu We report the first experimental demonstration of directional and collimated electron acceleration in the direct laser acceleration regime using a relativistic hollow Laguerre-Gaussian (LG) laser. Electrons are confined within the hollow field distribution along the reflected laser direction, produc… [Phys. Rev. Lett. 137, 025001] Published Tue Jul 07, 2026