Fine and hyperfine structure in the a3II state of CH+
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Spectroscopic and theoretical studies concerning the a3II state of CH+ are reviewed, with particular consideration given to the infrared predissociation spectrum of the ion. This spectrum is primarily due to vibration-rotation transitions of the a3II state involving v=5 to 12 and J=20 to 35. Some results of a spectral simulation, making use of a rotationally-adiabatic model, are presented to justify the proposed assignment. The nuclear-hyperfine structure of the observed transitions is studied in detail, with a new calculation of splittings presented. Some semi-quantitative conclusions can be drawn with reference to the variation of the Fermi Contact parameter, b, as a function of internuclear distance. © 1990 Akadémiai Kiadó.
|Number of pages||20|
|Journal||Acta Physica Hungarica|
|Publication status||Published - 1 Mar 1990|