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g-factor of a bound electron

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Theory <strong>of</strong> the free <strong>electron</strong><br />

g-<strong>factor</strong> <strong>of</strong> the free <strong>electron</strong><br />

How to measure the anomalous moment<br />

Larmor frequency<br />

ω L = g e<br />

2m B<br />

Cyclotron frequency<br />

ω c = e m B<br />

Comparing these two frequencies enables the measurement <strong>of</strong><br />

g = 2 · ωL<br />

ω c<br />

The special configuration needed for this experiment is realised by the<br />

Penning trap<br />

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

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