Two-electron self-energy contribution to the ground state energy of heliumlike ions

Details Two-electron self-energy contribution to the ground state energy of heliumlike ions Two-electron self-energy contribution to the ground state energy of heliumlike ions

1997-07-09

arxiv.org/abs/physics/9707009v1

Physics

Atomic Physics

12 pages, 1 figure, LATEX

Scientific paper

10.1016/S0375-9601(97)00612-9

The two-electron self-energy contribution to the ground state energy of heliumlike ions is calculated both for a point nucleus and an extended nucleus in a wide interval of Z. All the two-electron contributions are compiled to obtain most accurate values for the two-electron part of the ground state energy of heliumlike ions in the range Z=20-100. The theoretical value of the ground state energy of heliumlike uranium, based on currently available theory, is evaluated to be -261382.9(8) eV, without higher order one-electron QED corrections.

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