Investigation of the dynamics of ionization induced injected electrons under the influence of beam loading effects.
In laser-driven wakefield, ionization induced injection is an efficient way to inject electrons in the plasma wave. A detailed study on the beam dynamics under the influence of beam loading effects, which can be controlled by the concentration of nitrogen impurity introduced in the hydrogen gas was conducted. For a specific value of this percentage, the final energy of the high-energy electron bunch becomes nearly independent of the trapped positions, thus leading to a small energy dispersion. We also show that the final beam emittance is mainly determined by the injection process.
Publisher URL: http://arxiv.org/abs/1802.00389
DOI: arXiv:1802.00389v1
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