Hadronic vacuum polarization and the Lamb shift

Hadronic vacuum polarization and the Lamb shift

Recent improvements in the determination of the running of the fine-structure constant also allow an update of the hadronic vacuum-polarization contribution to the Lamb shift. We find a shift of -3.40(7) kHz to the 1S level of hydrogen. We also comment on the contribution of this effect to the deter...

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Veröffentlicht in:Physical Review A 1999-05, Vol.59 (5), p.4061-4063
Hauptverfasser: Friar, J. L., Martorell, J., Sprung, D. W. L.
Format: Artikel
Sprache:eng
Schlagworte:
Atomic theory
Electrodinàmica quàntica
Electronic structure
Estructura electrònica
FINE STRUCTURE
HADRONS
HYDROGEN
LAMB SHIFT
PHYSICS
QUANTUM ELECTRODYNAMICS
Teoria atòmica
VACUUM POLARIZATION
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Zusammenfassung:Recent improvements in the determination of the running of the fine-structure constant also allow an update of the hadronic vacuum-polarization contribution to the Lamb shift. We find a shift of -3.40(7) kHz to the 1S level of hydrogen. We also comment on the contribution of this effect to the determination by elastic electron scattering of the rms radii of nuclei.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.59.4061