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Magnetizing nonlinear plasma wakefields for positron acceleration
Abstract
It is known that only a narrow plasma wakefield sliver in the electron-beam-driven blowout regime suits positron acceleration. Using 3D simulations, we show that matching the cyclotron frequency ωc with the plasma frequency ωp forms a stable electron column on axis, expanding the suitable phase space for positron acceleration sizably. For a plasma density np = 1016 cm−3 in a 35 T field, the interval expands 4.3 times, and a witness positron beam gains 100--150 MeV over 6 cm ($1.6−−2.5$~GeV/m) with a 92\% capture rate.
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BibTeX
@misc{liu2026magnetizing,
title = {{Magnetizing nonlinear plasma wakefields for positron acceleration}},
author = {Yung-Kun Liu and Pisin Chen and Ching-En Lin and Spencer Gessner and Bernhard Hidding},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2608.30455},
eprint = {2608.30455},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2608.30455},
}
RIS
TY - UNPB
TI - Magnetizing nonlinear plasma wakefields for positron acceleration
AU - Yung-Kun Liu
AU - Pisin Chen
AU - Ching-En Lin
AU - Spencer Gessner
AU - Bernhard Hidding
PY - 2026
DA - 2026/09/30
PB - arXiv
DO - 10.48550/arxiv.2608.30455
UR - https://arxiv.org/abs/2608.30455
AB - It is known that only a narrow plasma wakefield sliver in the electron-beam-driven blowout regime suits positron acceleration. Using 3D simulations, we show that matching the cyclotron frequency ω_c with the plasma frequency ω_p forms a stable electron column on axis, expanding the suitable phase space for positron acceleration sizably. For a plasma density n_p = 10^16 cm^−3 in a 35 T field, the interval expands 4.3 times, and a witness positron beam gains 100--150 MeV over 6 cm ($1.6−−2.5$~GeV/m) with a 92\% capture rate.
ER -