One-loop self-energy correction to the 1s and 2s hyperfine splitting in H-like systems
Abstract
The one-loop self-energy correction to the hyperfine splitting of the 1s and 2s levels in H-like low-Z atoms is evaluated to all orders in Zα. The results are compared to perturbative calculations. The residual higher-order contribution is evaluated. Implications to the specific difference of the hyperfine structure intervals 8 2 - 1 in He+ are investigated.
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