Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Dissociative Recombination Rates of O₂+ Ion with Low Energy Electrons

  • Published : 1996.11.20
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Abstract

The dissociative recombination of O2+(v+)＋e-→O(1S)＋O(1D) has been theoretically investigated using the multichannel quantum defect theory (MQDT). Cross sections and rate coefficients at various electron energies are calculated. The resonant structures in cross section profile, which are hardly measurable in experiments, are also determined and the existence of Rydberg states is found to affect the rates. The theoretical rate coefficients are computed to be smaller than experimental ones. The reasons for this difference are explained. The two-step MQDT procedure is found to be very useful and promising in calculating the state-to-state rates of the dissociative recombination reaction which is a very important and frequently found phenomenon in Earth's ionosphere.

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