Calculated Vibrational Excitation Rates for Electron -H+2 Collisions

Details Calculated Vibrational Excitation Rates for Electron -H+2 Collisions Calculated Vibrational Excitation Rates for Electron -H+2 Collisions

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.263..909s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 263, NO.4/AUG15, P. 909, 1993

Astronomy and Astrophysics

Astronomy

18

Molecular Data - Molecular Processes

Scientific paper

Molecular R-matrix calculations are performed at a range of energies to give vibrational excitation cross-sections and hence rates for electron collisions with H2+. Results are presented for the υ = 0 → 1, 0 → 2 and 1 → 2 excitations for electron temperatures up to 20 000 K. De-excitation rates and critical density are also studied. The vibrational motion is considered within an adiabatic model; an estimate is given for non-adiabatic effects. Our results suggest that the υ = 0 → 1 rate peaks at 7.2 × 10-9 cm-3 s-1 for an electron temperature of 8000 K.

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