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19 April 2024

» arxiv » physics/0506210

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Improved all-order results for the one-loop QED correction to the hyperfine structure in light H-like atoms
V. A. Yerokhin ; A. N. Artemyev ; V. M. Shabaev ; G. Plunien ;
Date:	29 Jun 2005
Subject:	Atomic Physics \| physics.atom-ph
Abstract:	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.
Source:	arXiv, physics/0506210
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