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A: Atomphysik

A 3: Precision Spectroscopy of Atoms and Molecules I

A 3.5: Fachvortrag

Friday, March 4, 2005, 15:30–15:45, HU 3075

Calculation of transition probabilities for two-electron ions — •Oleg Yu. Andreev¹, Leonti N. Labzowsky², Günter Plunien¹, and Gerhard Soff¹ — ¹Institut für Theoretische Physik, Technische Univesität Dresden, Mommsenstraße 13, D-01062, Dresden, Germany — ²V. A. Fock Institute of Physics, St. Petersburg State University, Ulyanovskaya 1, 198504, Petrodvorets, St. Petersburg, Russia

We present an accurate QED calculation of the interelectron interaction corrections for transition probabilities for two-electron multicharged ions. The calculation is performed for the low-lying two-electron configurations (K and L-shells). In particular, the quasidegenerate (1s2p)  2¹ P₁ and (1s2p) 2 ³ P₁ configurations are under consideration. The total transition probabilities are evaluated. The calculation is performed for ions with the nuclear charge 10≤ Z ≤ 92.