Characteristics of electron beams accelerated by parallel and antiparallel circularly polarized Laguerre–Gaussian laser pulses. - Song, Hoon; Pae, Ki Hong; Won, Junho; Song, Jaehyun; Lee, Seongmin; Kim, Chul Min; Ryu, Chang-Mo; Bang, Woosuk; Nam, Chang Hee (Applied Physics B: Lasers & Optics, 2023)