Parametric tolerance study of Trojan Horse plasma wakefield acceleration scheme

Altuijri, R. and Scherkl, P. and Heinemann, T. and Habib, A. F. and Nutter, A. J. and Hala, A. and Hidding, B.; (2019) Parametric tolerance study of Trojan Horse plasma wakefield acceleration scheme. In: 46th EPS Conference on Plasma Physics 8 - 12 July 2019. European Physical Society (EPS), ITA. ISBN 9791096389117

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Abstract

A promising scheme for plasma wakefield acceleration is the hybrid plasma acceleration mechanism, which is experimentally connected to world-wide programs at various accelerator facilities. This scheme may lead to extremely high quality electron bunches, which can be used to drive ultrabright light sources such as free electron lasers. The big challenge for plasma acceleration is to produce electron bunches with high quality in terms of low emittance, energy spread and high brightness. To overcome this challenge, the Trojan Horse scheme [1,2,3,4,5] is used for production of designer electron beams. This work explores the Trojan Horse mechanism in a parametric study by variation of the injector laser pulse by intensity a0, spot size w0 and relative spatiotemporal synchronization and alignment. These parameters define output electron witness beam parameters and its quality. This sensitivity study shows a high robustness of the scheme, which is promising for a wider key prospect of the approach, namely the development of compact plasma accelerators to produce electron beams with unprecedented emittance and brightness in order to power free-electron lasers.

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