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Resonance structure in the Li^- photodetachment cross section

Uldis Berzinsh·Gunnar Haeffler·Dag Hanstorp·Andreas E. Klinkmueller·Eva Lindroth·Ulric Ljungblad·David J. Pegg
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Abstract

We report on the first observation of resonance structure in the total cross section for the photodetachment of Li^-. The structure arises from the autodetaching decay of doubly excited ^1P states of Li^- that are bound with respect to the 3p state of the Li atom. Calculations have been performed for both Li^- and H^- 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(3p) limit.

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Uldis Berzinsh, Gunnar Haeffler, Dag Hanstorp, Andreas E. Klinkmueller, Eva Lindroth, Ulric Ljungblad, David J. Pegg. 1997-03-07. Resonance structure in the Li^- photodetachment cross section. https://doi.org/10.1103/physrevlett.74.4795

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