SMuK 2023 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 16: Poster

AKBP 16.17: Poster

Donnerstag, 23. März 2023, 15:45–18:30, HSZ OG3

Hydrodynamic plasma simulations of discharge capillary waveguides at FLASHForward for high-repetition-rate plasma-wakefield acceleration — •Advait Kanekar, G. Boyle, M. J. Garland, H. Jones, G. Loisch, S. M. Mewes, T. Parikh, S. Schröder, M. Thévenet, S. Wesch, J. Osterhoff, and R. D'Arcy — Deutsches Elektronen-Synchrotron (DESY)

Plasma-wakefield accelerators provide acceleration gradients several orders of magnitude larger than conventional accelerators, representing a promising technology for reducing the footprint of future particle accelerators. The luminosity in colliders and the brilliance in free-electron lasers scales with the repetition rate at which the accelerator operates. Therefore, high repetition rate is an important parameter to consider when developing plasma-based accelerators for these applications. FLASHForward is a beam-driven plasma-accelerator experiment at DESY that is unique in the field due to its ability to explore and develop concepts for MHz-repetition-rate operation. The capability to support such high repetition rates is strongly influenced by the functionality of the plasma source. Crucial physics effects including gas refill time and temporal evolution of 3D plasma profiles are in part determined by the cell geometry and gas/discharge properties. In this talk, 2D axisymmetric hydrodynamic plasma simulations of plasma cell designs are presented and compared. Through this a better understanding of current plasma-source designs and hints at how designs may be optimised in the future are revealed.