Focusing the spot size of an electron drive beam in plasma lowers the wake phase velocity enough to trigger self-injection, yielding simulated beams with about 10^20 A/m^2/rad^2 brightness and under 1 percent energy spread.
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Generating high quality ultra-relativistic electron beams using an evolving electron beam driver
Focusing the spot size of an electron drive beam in plasma lowers the wake phase velocity enough to trigger self-injection, yielding simulated beams with about 10^20 A/m^2/rad^2 brightness and under 1 percent energy spread.