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Heidelberg 2015 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 63: Poster: Precision Spectroscopy of Atoms and Ions (with A)

Q 63.20: Poster

Donnerstag, 26. März 2015, 17:00–19:00, C/Foyer

Bound-electron g-factor correction due to coupling of global and internal dynamics of ions — •Niklas Michel and Jacek Zatorski — Max Planck Institute for Nuclear Physics, Saupfercheckweg 1, 69117 Heidelberg, Germany

Penning-trap precision measurements of the bound electron g-factor in hydrogen-like ions have proved to be very useful for the determination of certain physical constants and parameters, i.e. the electron mass. They have also provided one of the most stringent tests of quantum electrodynamics in a strong external electric field.

With the prospect of further improvement of experimental precision, we calculated the dominant correction to the experimental value of the g-factor due to coupling of the ion’s global movement to the ion’s internal dynamics. Also, we estimated the influence of an analogous effect on measurements in a Paul trap.

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