Two-loop self-energy contribution to the Lamb shift in H-like ions

Details Two-loop self-energy contribution to the Lamb shift in H-like ions Two-loop self-energy contribution to the Lamb shift in H-like ions

2004-11-26

arxiv.org/abs/hep-ph/0411348v1

Phys.Rev. A71 (2005) 040101

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1103/PhysRevA.71.040101

The two-loop self-energy correction is evaluated to all orders in Z\alpha for the ground-state Lamb shift of H-like ions with Z >= 10, where Z is the nuclear charge number and \alpha is the fine structure constant. The results obtained are compared with the analytical values for the Z\alpha-expansion coefficients. An extrapolation of the all-order numerical results to Z=1 is presented and implications of our calculation for the hydrogen Lamb shift are discussed.

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