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Dresden 2020 – scientific programme

The DPG Spring Meeting in Dresden had to be cancelled! Read more ...

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 16: Posters

AKBP 16.6: Poster

Thursday, March 19, 2020, 16:30–18:00, P1C

Exploratory Analysis of Simulated Radiation from a Plasma Wakefield Accelerator — •Anton Lebedev1, Alexander Debus1, Richard Pausch1, Ulrich Schramm1,2, and Michael Bussmann1,31Helmholtz-Zentrum Dresden - Rossendorf, Bautzner Landstr. 400, Dresden — 2Technische Universität Dresden, 01062 Dresden — 3CASUS, Center for Advanced Systems Understanding, Görlitz, Germany

In this contribution, we present an exploratory study of the radiation expected to be produced during plasma wakefield acceleration (PWFA) of electrons.

Understanding radiation in the IR to UV range is key to diagnosing the responsible plasma processes in future PWFA accelerators. One goal of the study is to identify radiation signatures suitable for controlling beam quality, thereby enabling high-brightness electron beams for future applications.

The data for our analysis is obtained from PWFA simulations with the 3D3V particle-in-cell code PIConGPU. Emissions are computed using electromagnetic fields derived from Liénard-Wiechert potentials for the entirety of the simulated particles, thereby enabling analysis of the influence of collective plasma dynamics on the observed radiation and allowing quantitative predictions of signal-to-noise ratios. Furthermore, the capability of PIConGPU to select specific groups of radiating particles allows us to determine the origin of spectral signatures.

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