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New value for the electron's mass—theoretical foundations

Thomas Beier1,4, Paul Indelicato2, Vladimir M Shabaev3 and Vladimir A Yerokhin2,3

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We elucidate all theoretical contributions that enter the g factor in hydrogen-like atoms. The g factor of hydrogen-like carbon plays a crucial role in the determination of the electron's mass. For higher Z, we explicitly demonstrate that neither the imprecisely known nuclear size and shape, nor the nuclear polarization, set a limit to investigations on quantum electrodynamics by g-factor experiments, if measurements are performed on more than one state of the same system.


PACS

32.10.Fn Fine and hyperfine structure

31.30.J- Relativistic and quantum electrodynamic (QED) effects in atoms, molecules, and ions

Subjects

Atomic and molecular physics

Dates

Issue 5 (14 March 2003)

Received 4 November 2002

Published 24 February 2003



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