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Resonant vibrational excitation cross sections and the corresponding ratecoefficients for electron-N$_2$ collisions occurring through theN$_2^-(\textrm{X}\ ^2\Pi_g)$ resonant state are reviewed. New calculations areperformed using accurate potential energies curves for the N$_2$ electronicground state, taken from literature, and for the N$_2^-$ resonant state,obtained from $R$-matrix calculations. The calculations are extended also tothe resonant excitation processes involving the N$_2$ ground state vibrationalcontinuum, leading to dissociation. Electron impact dissociation is found to besignificant from higher vibrational levels. Accurate analytical fits for thecomplete set of the rate coefficients are provided. The behavior of thedissociative cross sections is investigated for rotationally excited N$_2$molecules, with $J=50,100$ and 150 and for different vibrational levels.

Electron-impact resonant vibrational excitation and dissociation processes involving vibrationally excited N2 molecules