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Verhandlungen
Verhandlungen
DPG

Darmstadt 2008 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 13: Posters: Photoionization and atomic systems in external fields

A 13.4: Poster

Dienstag, 11. März 2008, 16:30–18:30, Poster C3

Visible spectra of highly charged ions: g-factor and hyperfine splitting — •José R. Crespo López-Urrutia, Monika Binder, Lodewijk Arntzen, Volkhard Mäckel, and Joachim Ullrich — Max-Planck-Institut für Kernphysik, 69117 Heidelberg

The lines present in the visible spectra of highly charged ions (HCI) can display large hyperfine splittings due to the large overlap between the wave functions of the optical electron and of the nucleus. The strong magnetic field present in an electron beam ion trap allows to investigate and compare the simultaneous effects of the internal (nuclear magnetic moment) and external field. A high resolution optical spectrometer is used to register the emission spectra of highly charged Bi and Xe ions having non-zero nuclear spins. By evaporatively cooling the trapped ions, the Zeeman and hyperfine components of M1 transitions within the ground state configuration of Ti-like ions can be resolved.

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