Excitation of the asymmetric stretch mode of CO₂ by electron impact

The vibrational excitation cross section of the 001 asymmetric stretch mode of CO₂ by electron impact at 10 eV is calculated by quantum mechanical scattering theory. Although the calculations contain no parameters adjusted to experiment, the results are in good agreement with the rotationally unresolved experimental results. The calculated cross sections are dominated by the final rotational state j'=1 for scattering angles 0-58 degrees and by j'=3 for 59-180 degrees .