Laser photoelectron spectrometry of CH− |
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| Authors: | A Kasdan E Herbst WC Lineberger |
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| Institution: | Joint Institute for Laboratory Astrophysics, University of Colorado and National Bureau of Standards, Boulder, Colorado 80302, USA;Joint Institute for Laboratory Astrophysics, University of Colorado and National Bureau of Standards and Department of Chemistry, University of Colorado, Boulder, Colorado 80302, USA |
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| Abstract: | Fixed-frequency laser photoelectron spectrometry has been utilized to study photodetachment of CH? ions by 4880 A laser radiation. Transitions involving low-lying excited states of 1Δ and 4Σ? symmetry have been observed for CH? and CH, respectively. The electron affinity of CH was determined to be (1.238 ± 0.008) eV. The a 4Σ? CH term energy was found to be (0.742 ± 0.008) eV and other spectroscopic constants for X3Σ?CH?, a 1ΔCH?, and a 4Σ?CH have been determined. |
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