Author

F. Wan

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Preprint Sep 2026

In-situ Generation of Polarized Attosecond Positron Bunches via Radiation-Wakefield Induced Two-Photon Pairs

High-energy, dense, spin-polarized positron beams with attosecond duration are highly desirable for advanced accelerator physics, laboratory astrophysics, and ultrafast matter-antimatter studies, yet remain beyond the capability of conventional source and injection-based plasma-acceleration schemes. We propose an integ...

Zhen-Ke Dou, Qian Zhao, Hao-Tian Wang et al. · 0 citations

Preprint Sep 2026

High-charge, highly polarized positron beams generated from a laser-driven nanowire-array target

The generation of high-charge, highly polarized positron beams in the interaction of a linearly polarized laser pulse with a nanowire-array target is investigated. Here, laser-driven electrons emit high-energy photons through nonlinear Compton scattering (NCS), which subsequently produce electron--positron pairs throug...

De-Sheng Zhang, Cui-Wen Zhang, Kun Xue et al. · 0 citations