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Precision test of many-body QED in the Be$^{+} 2p$ fine structure doublet using short-lived isotopes
Absolute transition frequencies of the $2s\; ^2{\rm S}_{1/2} \rightarrow 2p\;^2\mathrm{P}_{1/2,3/2}$ transitions in Be$^+$ were measured for the isotopes $^{7,9-12}$Be. The fine structure splitting of the $2p$ state and its isotope dependence are extracted and compared to results of \textit{ab initi...
| Autores principales: | , , , , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2015
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevLett.115.033002 http://cds.cern.ch/record/2034766 |