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Collisional-Dissociative Recombination of Electrons with Molecular Ions

C. B. Collins

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Abstract

The recombination rate of electrons in a hypothetical plasma containing ions of a molecule having both repulsive and bound neutral states is calculated for electron densities between ${10}^{10}$ and ${10}^{14}$/${\mathrm{cm}}^{3}$ and temperatures ranging from 250 to 2000\ifmmode^\circ\else\textdegree\fi{}K. It is found that if the molecule has a dissociative state located sufficiently close in energy to the molecular ion, values are obtained considerably in excess of the collisional-radiative recombination rate for systems possessing only bound states.

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The recombination rate of electrons in a hypothetical plasma containing ions of a molecule having both repulsive and bound neutral states is calculated for electron densities between ${10}^{10}$ and ${10}^{14}$/${\mathrm{cm}}^{3}$ and temperatures ranging from 250 to 2000\ifmmode^\circ\else\textdegree\fi{}K. It is found that if the molecule has a dissociative state located sufficiently close in energy to the molecular ion, values are obtained considerably in excess of the collisional-radiative recombination rate for systems possessing only bound states.

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Available abstract

The recombination rate of electrons in a hypothetical plasma containing ions of a molecule having both repulsive and bound neutral states is calculated for electron densities between ${10}^{10}$ and ${10}^{14}$/${\mathrm{cm}}^{3}$ and temperatures ranging from 250 to 2000\ifmmode^\circ\else\textdegree\fi{}K. It is found that if the molecule has a dissociative state located sufficiently close in energy to the molecular ion, values are obtained considerably in excess of the collisional-radiative recombination rate for systems possessing only bound states.

Key concepts: Dissociative recombination, Atomic physics, Ion, Electron, Recombination, Physics, Molecule, Bound state

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