17 papers
Generation of dense relativistic electron beams via vortex laser-driven self-generated magnetic pinching
Mingxuan Wei, Fengyu Sun, Zhongpeng Li +21
In multi-petawatt laser plasma accelerators, achieving high-density relativistic electron beams is typically accompanied by large transverse divergence, limiting the attainable eff…
Generation of Polarized Overdense Pair-photon Fireball via Laser-Driven Nonlinear-linear QED Cascade
Zhen-Ke Dou, Qian Zhao, Feng Wan +3
Relativistic, polarized pair-photon fireballs are central to understand the microscopic energy transfer of high-energy astrophysical outflows, yet generating an overdense fireball…
Nuclear excitation via inelastic scattering of low-energy vortex electrons
Jia-Lin Zhang, Zhi-Wei Lu, Mamutjan Ababekri +2
Vortex particles carrying orbital angular momenta (OAMs) have found important applications in broad fields. However, the experimental verification of OAM transfer at the nuclear sc…
Generation of Polarization-Tunable Hybrid Cylindrical Vector gamma Rays
Si-Man Liu, Yue Cao, Kun Xue +11
Cylindrical vector (CV) gamma rays can introduce spatially structured polarization as a new degree of freedom for fundamental research and practical applications. However, their ge…
Generating Cylindrical Vector γ Rays via Beam-Target Interactions: Towards Structured Light at High Energies
Yue Cao, Kun Xue, Si-Man Liu +8
Structured γ rays, particularly cylindrical vector γ rays, offer promising tools for sub-nuclear imaging and polarization-sensitive probes in fundamental research and application…
Generation of Ultrabrilliant Positron Beam via Superponderomotive Injection in Laser Wakefield Acceleration
Ting Sun, Zhen-Ke Dou, Ya-Qing Huang +3
Plasma-based acceleration of positrons attracts extensive interest owing to the ultrahigh accelerating gradient and ultrashort duration, while generating wakefield positron beam by…