Abstract
Closed-form expressions for the first two moments of the wave-number distribution of unresolved transition arrays (UTA's) observed in highly ionized atoms have been published previously. However, this is not sufficient in many observed cases of asymmetrical UTA's. This paper describes a method for the evaluation of the third moment for arrays of frequently observed type lN+1-lNl. Distributions are represented by skewed Gaussians. The maximum is thus shifted with respect to the average wave number, and the full width at half maximum is smaller than that of a symmetrical Gaussian. Applications to Pr xvi and Xe xxviii-xxx are presented.
| Original language | English |
|---|---|
| Pages (from-to) | 3026-3032 |
| Number of pages | 7 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 30 |
| Issue number | 6 |
| DOIs | |
| State | Published - 1984 |
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