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g-factor of a bound electron

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Experiment<br />

g-<strong>factor</strong> <strong>of</strong> a <strong>bound</strong> <strong>electron</strong><br />

Results and precision<br />

g = 1.998 721 354 4 Dirac theory <strong>of</strong> <strong>bound</strong> <strong>electron</strong><br />

+0.000 000 000 4 nuclear volume effect<br />

+0.000 000 087 6 nuclear recoil effect<br />

+0.002 323 663 7 (9) first order QED correction<br />

- 0.000 003 516 2 (2) second order QED correction<br />

2.001 041 589 9 (9) theoretical value<br />

2.001 041 596 4 (10) (44)GSI measurement on C 5+<br />

T. Beier et al, Phys. Rev. Lett. 88, 011603 (2002)<br />

V. Shabaev et al, Phys. Rev. Lett. 88, 091801 (2002)<br />

V. Yerokhin et al, Phys. Rev. Lett. 89, 143001 (2002)<br />

Ion Stroescu (Uni Heidelberg) g-<strong>factor</strong> <strong>of</strong> a <strong>bound</strong> <strong>electron</strong> January 11, 2008 25 / 32

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