Resonance structure in the Li{sup {minus}} photodetachment cross section
Journal Article
·
· Physical Review Letters
- Department of Physics, Chalmers University of Technology and Goeteborg University, S-412 96 Goeteborg (Sweden)
We report on the first observation of resonance structure in the total cross section for the photodetachment of Li{sup {minus}}. The structure arises from the autodetaching decay of doubly excited 1{ital P}{sup {ital o}} states of Li{sup {minus}} that are bound with respect to the 3{ital p} state of the Li atom. Calculations have been performed for both Li{sup {minus}} and H{sup {minus}} to assist in the identification of these resonances. The lowest lying resonance is a symmetrically excited intrashell resonance. Higher lying asymmetrically excited intershell states are observed which converge on the Li(3{ital p}) limit.
- OSTI ID:
- 69298
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 24 Vol. 74; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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