Dramatic Changes in the 3{ital s} Autoionization Process at the Beginning of the ArI Sequence
Journal Article
·
· Physical Review Letters
- Physics Department, University College Dublin, Belfield, Dublin 4 (Ireland)
- St.-Petersburg State University, Polytekhnicheskaya 29, St.-Petersburg 195251 (Russia)
- School of Physical Sciences, Dublin City University, Glasnevin, Dublin 9 (Ireland)
The 3s{r_arrow}np resonances were observed to change dramatically in appearance with increasing ionization along the ArI sequence, and within the 3s{r_arrow}np channel of Ca{sup 2+}. By applying the Dyson equation method to positive ions for the first time, newly investigated double-electron processes were shown to play a crucial role in the interpretation of the resonance structure. The changes within the resonances result from their position relative to the Cooper minima in the 3{ital s} and 3{ital p} photoabsorption. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 491660
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 16 Vol. 78; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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