Hannover 2020 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 14: Poster Session - Atomic Physics II

A 14.26: Poster

Dienstag, 10. März 2020, 16:00–18:00, Empore Lichthof

Study of astrophysical plasmas in a compact EBIT — •Moto Togawa, Steffen Kühn, and José R. Crespo López-Urrutia — Max-Planck-Institut für Kernphysik

The Heidelberg compact electron beam ion traps (HC-EBIT) use permanent magnets instead of superconducting coils, operate at room temperature, and are easily transportable. They reliably produce highly charged ions (HCI) at electron-beam energies up to 10 keV. Combining them with a high brilliance synchrotron-radiation source enables resonant fluorescence spectroscopy in the X-ray region, and precision measurements stringently benchmarking atomic structure calculations and models of astrophysical plasmas. We show how, using narrow bandwidth X-ray sources and a HC-EBIT with an off-axis electron gun (Polar-X-EBIT) specific electronic processes present in astrophysical plasmas can be separately studied.