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Improved Lamb‐shift experiments

AUG 01, 1971

DOI: 10.1063/1.3022879

Marian S. Rothenberg

Precise measurement of the Lamb shift, the difference δ in energy between the S1/2 and P1/2 levels in single‐electron atoms and ions, is a basic test of quantum electrodynamics. Several factors limit the accuracy of experimental determinations of δ; the most important are difficulties of measuring the resonance‐line center, uncertainty about the velocity distribution of the atoms, and systematic errors, such as Stark‐effect shifts, caused by the applied electromagnetic fields.

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© 1971 American Institute of Physics
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This Content Appeared In
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Volume 24, Number 8

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