The 2S lamb shift in hydrogenic phosphorus by laser spectroscopy

The 2S lamb shift in hydrogenic phosphorus by laser spectroscopy

The 2 S 1 2 −2 P 3 2 energy splitting in hydrogenic phosphorus has been measured by laser resonance spectroscopy to b e E exp=2.23133(12) eV, which leads to a 2S Lamb shift E exp(LS)=0.08349(12) eV. This result, because of its low associated error, forms an important test of QED calculations. The ex...

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Veröffentlicht in:Physics letters. A 1990-07, Vol.147 (7), p.385-388
Hauptverfasser: Gassen, J., Müller, D., Budelsky, D., Kremer, L., Pross, H.-J., Scheuer, F., von Brentano, P., Pape, A., Sens, J.C.
Format: Artikel
Sprache:eng
Schlagworte:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Nuclear Experiment
Physics
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Zusammenfassung:The 2 S 1 2 −2 P 3 2 energy splitting in hydrogenic phosphorus has been measured by laser resonance spectroscopy to b e E exp=2.23133(12) eV, which leads to a 2S Lamb shift E exp(LS)=0.08349(12) eV. This result, because of its low associated error, forms an important test of QED calculations. The experimental value is compared with the theoretical value E th(LS)=0.08376(4) eV, and with analogous results in the region 1 ≤ Z ≤ 18.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(90)90558-6