Relativistic configuration-interaction calculation of Kα transition energies in beryllium-like argon

Author： Yerokhin V A   Surzhykov A   Fritzsche S  

Publisher： IOP Publishing

E-ISSN： 1402-4896|90|5|54003-54006

ISSN： 1402-4896

Source： Physica Scripta, Vol.90, Iss.5, 2015-05, pp. : 54003-54006

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Abstract

Relativistic configuration-interaction calculations have been performed for energy levels of the low-lying and core-excited states of beryllium-like argon, Ar14+. These calculations include the one-loop quantum electrodynamics (QED) effects as obtained by two different methods: the screening-potential approach and the model QED operator approach. The calculations are supplemented by a systematic estimation of the uncertainties of the theoretical predictions.

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