Generalized oscillator strengths for the valence-shell excitations of neon
Journal Article
·
· Physical Review. A
- Hefei National Laboratory for Physical Sciences at Microscale, Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui, 230026 (China)
The generalized oscillator strengths for the valence-shell excitations to 2p{sup 5}3s, 2p{sup 5}3p, and 2p{sup 5}4s of neon were measured with an angle-resolved fast-electron energy-loss spectrometer at an incident electron energy of 2500 eV. The transition multipolarities for these excitations were elucidated with the help of the calculated intermediate-coupling coefficients using the COWAN code. The generalized oscillator strength profiles for the electric monopole, electric dipole, and electric quadrupole excitations were analyzed and their positions of the extrema were obtained. Furthermore, the experimental generalized oscillator strength ratios between the excitations to 2p{sup 5}4s[3/2]{sub 1} and 2p{sup 5}4s{sup '}[1/2]{sub 1} were determined and found to be in agreement with the calculated intermediate-coupling coefficient ratio.
- OSTI ID:
- 20718373
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 72; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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