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| TUPML059 |
Slice Energy Spread Optimization for a 5 GeV Laser-Plasma Accelerator |
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- X. Li, P.A.P. Nghiem
IRFU, CEA, University Paris-Saclay, Gif-sur-Yvette, France
- A. Mosnier
CEA/IRFU, Gif-sur-Yvette, France
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GeV-scale laser-plasma accelerating modules can be integrated into a multi-staged plasma linac for driving compact X-ray light sources or future colliders. Such a plasma module, operating in the quasi-linear regime, has been designed for the 5 GeV laser plasma acceleration stage (LPAS) of the EuPRAXIA project. Although it can be employed to optimize the total energy spread, the beam loading effect introduces an non-negligible slice energy spread to the beam. In this paper, we study the slice energy spread from linear theory, establishing a relationship between it and the laser-plasma parameters. To reduce the slice energy spread, simulations have been carried out for various plasma densities and laser strengths. The results will be discussed and compared with the theory.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-TUPML059
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