GeV-level $\gamma$-ray and positron beams produced by collisions of ultra-intense ultra-short laser on high-energy electron beam

Wanqing Su, Chunwang Ma, Xiguang Cao +2

Based on collisions between the 100 PW laser and 8 GeV superconducting linear accelerator constructing at the Shanghai hard X-ray free electron laser system (SHINE), the building o…