Measurement of the self-energy contribution to the 2 s -3 p resonance transition in neonlike ytterbium
Journal Article
·
· Physical Review, A (General Physics); (USA)
- University of California, Lawrence Livermore National Laboratory, Livermore, California 94550 (USA)
- University of California, Lawrence Berkeley Laboratory, Berkeley, California 94720 (USA)
The self-energy contribution to the transition (2{ital s}{sub 1/2}2{ital p}{sup 6}3{ital p}{sub 3/2}){sub {ital J}=1}{r arrow}2{ital s}{sup 2}2{ital p}{sup 6} in neonlike Yb{sup 60+} has been measured in an electron-beam ion trap to be 18.4{plus minus}0.8 eV. This value is 10% larger than the value obtained from multiconfiguration Dirac-Fock calculations in the commonly used effective-charge approach. The measurement supports earlier suggestions that the effective-charge approach may overcorrect the screening effect on the self-energy corrections for transitions in neonlike ions.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6903207
- Journal Information:
- Physical Review, A (General Physics); (USA), Journal Name: Physical Review, A (General Physics); (USA) Vol. 41:7; ISSN PLRAA; ISSN 0556-2791
- Country of Publication:
- United States
- Language:
- English
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