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Nuclear size correction to the hyperfine splitting in low- hydrogen-like atoms |
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| Authors: | AV Volotka VM Shabaev G Plunien G Soff |
| Institution: | 1.Department of Physics, St. Petersburg State University, Oulianovskaya 1, Petrodvorets, St. Petersburg 198504, Russia,RU;2.Institut für Theoretische Physik, TU Dresden, Mommsenstra?e 13, 01062 Dresden, Germany,DE |
| Abstract: | The finite nuclear size effect on the hyperfine splitting of low-Z hydrogen-like atoms is studied in the external field approximation. A simple non-relativistic formula is proposed which expresses the nuclear size correction to the hyperfine splitting in terms of moments of the nuclear charge and magnetization distribution. The numerical results obtained via this formula are compared with corresponding results derived by means of the Zemach formula. A relativistic formula for the nuclear size correction to the hyperfine splitting is also derived. Received 18 March 2002 / Received in final form 14 November 2002 Published online 28 January 2003 RID="a" ID="a"e-mail: plunien@physik.tu-dresden.de |
| Keywords: | PACS 31 30 Jv Relativistic and quantum electrodynamic effects in atoms and molecules – 31 30 Gs Hyperfine interactions and isotope effects Jahn-Teller effect |
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