期刊
PHYSICAL REVIEW ACCELERATORS AND BEAMS
卷 23, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevAccelBeams.23.121301
关键词
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资金
- Office of Science, Office of High Energy Physics, of the U.S. Department of Energy [DE-AC02-05CH11231]
- Science User Facility National Energy Research Scientific Computing Center (NERSC) [DE-AC02-05CH11231]
- Gauss Centre for Supercomputing e.V.
- Helmholtz Matter and Technologies Accelerator Research and Development Program
Acceleration of positron beams in plasma-based accelerators is a highly challenging task. To realize a plasma-based linear collider, acceleration of a positron bunch with high-efficiency is required, while maintaining both a low emittance and a subpercent-level energy spread. Recently, a plasma-based positron acceleration scheme was proposed in which a wake suitable for the acceleration and transport of positrons is produced in a plasma column by means of an electron drive beam [Diederichs et al., Phys. Rev. Accel. Beams 22, 081301 (2019)]. In this article, we present a study of beam loading for a positron beam in this type of wake. We demonstrate via particle-in-cell simulations that acceleration of high-quality positron beams is possible, and we discuss a possible path to achieve collider-relevant parameters.
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