Electron scattering from the molecular hydrogen ion and its isotopologues

We have extended the $ab$ $initio$ convergent close-coupling method to electron scattering from the vibrationally excited molecular hydrogen ion and its isotopologues. Calculations have been performed within the adiabatic-nuclei approximation. Results are presented for dissociative excitation and ionization as a function of the initial vibrational state of the molecules. Comparison with experiment is excellent across the energy range from near threshold to 1 keV.