SMuK 2023 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 8: Advanced IT Tools

AKBP 8.6: Talk

Wednesday, March 22, 2023, 17:00–17:15, CHE/0183

X-ray radiation transport in GPU accelerated Particle In Cell simulations — •Paweł Ordyna, Thomas Kluge, Thomas Cowan, and Ulrich Schramm — HZDR, Dresden, Germany

Ultra-high-intensity laser pulse interactions with solid density targets are of central importance for modern accelerator physics, Inertial Confinement Fusion(ICF) and astrophysics. In order to meet the requirements of real-world applications, a deeper understanding of the underlying plasma dynamics, including plasma instabilities and acceleration mechanisms, is needed. X-ray radiation plays a substantial role in plasma physics, either as an integral part of a physical system itself or as a useful diagnostic, hence it should be included in computational models. Therefore, we bring a Monte Carlo based X-ray radiation transport module into our Particle In Cell simulation framework PIConGPU. It allows, among others, for Thompson scattering, e.g. for small-angle X-ray scattering (SAXS), and Faraday effect calculation for X-ray polarimetry - as online, in-situ diagnostics.