The anomalous magnetic moment of the electron in hydrogenlike ions
A test of bound-state QED: Recent, present and future precision experiments
Department of Physics, Imperial College London, SW7 2, BW London, UK
2 Gesellschaft für Schwerionenforschung, Planckstrasse 1, 64291 Darmstadt, Germany
3 Institut für Physik, Johannes Gutenberg-Universität, 55099 Mainz, Germany
Corresponding author: firstname.lastname@example.org
The precise determination of the anomalous magnetic moment of the electron bound in hydrogen-like ions allows for a stringent test of quantum electrodynamics (QED) in the presence of strong electric fields. g-factor measurements on the electron bound in hydrogen-like ions 12C5+ and 16O7+, using single ions confined in a Penning trap, have yielded values in agreement with theory on the ppb level. If the QED calculations are considered correct, the results can in turn be used for a determination of fundamental constants like the electron mass me, the fine structure constant α or nuclear parameters. We report about present developments towards g-factor measurements also in medium-heavy and heavy highly-charged ions.
© EDP Sciences, Springer-Verlag, 2008