Improved all-order results for the one-loop QED correction to the hyperfine structure in light H-like atoms

Details Improved all-order results for the one-loop QED correction to the hyperfine structure in light H-like atoms Improved all-order results for the one-loop QED correction to the hyperfine structure in light H-like atoms

2005-06-29

arxiv.org/abs/physics/0506210v1

Phys. Rev. A 72, 052510 (2005)

Physics

Atomic Physics

10 pages, 4 figures, 6 tables

Scientific paper

10.1103/PhysRevA.72.052510

A calculation of the one-loop self-energy and vacuum-polarization corrections to the hyperfine splitting of the 1s and 2s states in light H-like ions is carried out to all orders in the parameter Z \alpha. Using the known values for the Z \alpha-expansion coefficients, the numerical data obtained are extrapolated from Z=5 and higher to Z=0, 1, and 2, with the resulting accuracy being significantly better than in previous evaluations. Our calculation shifts the theoretical value of the normalized difference of the 1s and 2s hyperfine-structure intervals in ^3He^+ by 0.056 kHz and improves its accuracy.

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