Göttingen 2025 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 10: Poster Session I

P 10.28: Poster

Dienstag, 1. April 2025, 16:15–18:15, ZHG Foyer 1. OG

Characterization of pure-electron plasmas in APEX-LD — •Veronika C. Bayer, Adam Deller, Alex Card, and E. V. Stenson — Max Planck Institute for Plasma Physics, Garching b. München, Deutschland

We describe the development of diagnostics for studying stably confined pure-electron plasmas in a compact levitating dipole trap (APEX-LD). The existing diagnostics confirm collective behaviour. However, they provide incomplete means to analyse the plasma potential or the density profiles. New diagnostics, an electron beam probe and a retractable target probe, will collect the data necessary to analyse these properties. Further insights into collective behaviour from these new diagnostics will be used to prepare APEX-LD for pulsed positron injection and the trapping of pair plasmas.

Keywords: electron plasma; levitating dipole; non-neutral plasma; pair plasma