Hadronic vacuum polarization and the Lamb shift

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Title:	Hadronic vacuum polarization and the Lamb shift
Author:	Friar, J. L.; Martorell Domenech, Juan; Sprung, Donald W. L.
Other authors:	Universitat de Barcelona
Abstract:	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.
Subject(s):	-Teoria atòmica -Electrodinàmica quàntica -Electronic structure -Quantum electrodynamics -Atomic theory -Estructura electrònica
Rights:	(c) The American Physical Society, 1999
Document type:	Article Article - Published version
Published by:	The American Physical Society
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