Dissociative recombination in low-energy e-H2(+) collisions

Details Dissociative recombination in low-energy e-H2(+) collisions Dissociative recombination in low-energy e-H2(+) collisions

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phrva..28..682g&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 28, Aug. 1983, p. 682-691.

Physics

General Physics

110

Electron Scattering, Electron-Ion Recombination, Gas Dissociation, Hydrogen Ions, Hydrogen Recombinations, Ionic Collisions, Electron States, Molecular Oscillations, Quantum Theory, Rydberg Series, Wave Functions

Scientific paper

The theory of configuration interaction in molecules is extended to permit the simultaneous treatment of doubly excited electronic states and vibrationally excited Rydberg states which can decay by autoionization and predissociation. The method is applied to dissociative recombination and compared with the corresponding multichannel quantum-defect theory. Calculations using both techniques are reported for collisions of electrons of energy below 0.5 eV with H2(+) ions in the lowest three vibrational states. The Rydberg states lead to narrow structures in the cross sections, mostly in the form of dips. The cross section and recombination rate for ground-state ions are anomalously low, being smaller than those for v = 1 and 2 by a factor of approximately 6.

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