Phys. Rev. A 67, 012503 (2003) [11 pages]Evaluation of the low-lying energy levels of two- and three-electron configurations for multicharged ionsReceived 10 July 2002; published 22 January 2003 Accurate QED evaluations of the one- and two-photon interelectron interaction for low-lying two- and three-electron configurations for ions with nuclear charge numbers 60<~Z<~93 are performed. The three-photon interaction is also partly taken into account. The Coulomb gauge is employed. The results are compared with available experimental data and with different calculations. A detailed investigation of the behavior of the energy levels of the configurations 1s1/22s1/21S0, 1s1/22p1/23P0 near Z=64 and Z=92 is carried out. The knowledge of the exact energy difference near these regions is important for the future experimental search for parity nonconserving effects in highly charged ions. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.012503
DOI:
10.1103/PhysRevA.67.012503
PACS:
31.30.Jv, 31.10.+z
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