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Electron attachment to valence-excited CO

Sanjay Kumar, D. Mathur

physics.atom-pharXiv:physics/9810009

Abstract

The possibility of electron attachment to the valence 3Π state of CO is examined using an ab initio bound-state multireference configuration interaction approach. The resulting resonance has 4Σ- symmetry; the higher vibrational levels of this resonance state coincide with, or are nearly coincident with, levels of the parent a3Π state. Collisional relaxation to the lowest vibrational levels in hot plasma situations might yield the possibility of a long-lived CO- state.

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