Dielectronic recombination of Pb{sup 79+} atomic ions at high spectral resolution
Journal Article
·
· Physical Review. A
- Department of Physics, Auburn University, Auburn, Alabama 36849 (United States)
- Department of Physics and Applied Physics, University of Strathclyde, Glasgow G4 0NG, (United Kingdom)
Dielectronic recombination cross sections for {delta}n=0 transitions in Pb{sup 79+} are calculated in a fully relativistic distorted-wave approximation. We present detailed nlj results for the first resonances associated with the 2s{yields}2p(bar sign) (j=(1/2)) core excitation, which opens up at n=20, and for the first resonances associated with the 2s{yields}2p (j=(3/2)) core excitation, which overlap the 1s{sup 2}2p(bar sign)nl resonances series. An accurate identification of these peaks is of importance in the ongoing dielectronic recombination experiments for the determination of the 2s-2p threshold energies. Careful examinations of Breit interaction and QED effects are performed in order to calculate the resonance energies with a resolution comparable with present experimental resolution. Fully relativistic calculations for Auger and radiative rates are performed for an accurate determination of the peak heights. (c) 2000 The American Physical Society.
- OSTI ID:
- 20215314
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 2 Vol. 61; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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