Relativistic model-potential oscillator strengths and transition probabilities for 4f n6s - 4f n6p transitions in Eu(II), and Ho(II) in J1j coupling

Details Relativistic model-potential oscillator strengths and transition probabilities for 4f n6s - 4f n6p transitions in Eu(II), and Ho(II) in J1j coupling Relativistic model-potential oscillator strengths and transition probabilities for 4f n6s - 4f n6p transitions in Eu(II), and Ho(II) in J1j coupling

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jqsrt..32..103m&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 32, July 1984, p. 103-108.

Computer Science

14

Electron Transitions, Europium, Holmium, Oscillator Strengths, Terbium, Transition Probabilities, Angular Momentum, Atomic Spectra, Electric Dipoles, Metal Ions, Potential Energy, Relativistic Effects

Scientific paper

The lowest 4fn6s - 4f n6p transitions are studied for the Eu(II)(n = 7), Tb(II)(n = 9), and Ho(II) (n = 11) spectra, where the J1j coupling is an acceptable approximation. The relativistic radial integrals, required to evaluate the oscillator strengths and transition probabilities, are calculated with the model-potential method, which includes also core-polarization effects. The similarities observed in oscillator strengths for transitions with given delta J but different J values are discussed and explained. The computed oscillator strengths are compared with those obtained with the Coulomb approximation and it is found that the latter are only 11-12 percent lower. The core polarization influence on oscillator strength is also investigated and the 19-21 percent decrease in oscillator strengths due to this effect is predicted. This result may, however, be overestimated because of some deficiencies in our procedure.

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