DOI: 10.1140/epja/i2001-10217-9
The measurement of the electronic g-factor in hydrogen-like ions -A promising tool for determining fundamental and nuclear constants
T. Beier1, H. Häffner2, N. Hermanspahn2, S. Djekic2, H.-J. Kluge1, W. Quint1, S. Stahl2, T. Valenzuela2, J. Verdú2 and G. Werth21 GSI, Atomic Physics, Planckstr. 1, 64291 Darmstadt, Germany
2 Institut für Physik, Universität Mainz, 55099 Mainz, Germany
t.beier@gsi.de
(Received: 21 March 2002 / Published online: 31 October 2002)
Abstract
We describe a double-Penning-trap experiment suitable
for testing QED in strong fields by determining the
electronic
g-factor
of a single hydrogen-like ion in its ground state. Our measurements on
reach a relative
accuracy
of
, where the largest
uncertainty
results
from the mass of the electron. Together with equally precise
theoretical predictions therefore, it is possible to evaluate a new
value for the electron's mass. The possibilities to obtain other
fundamental constants and nuclear parameters are lined out.
32.10.Fn - Fine and hyperfine structure.
12.20.-m - Quantum electrodynamics.
31.30.Jv - Relativistic and quantum electrodynamic effects in atoms and molecules.
06.20.Jr - Determination of fundamental constants.
© Società Italiana di Fisica, Springer-Verlag 2002
