Dissociative recombination of N$_2$H$^+$: 1D, 2D and 3D cross sections

We have studied the low-energy indirect dissociative recombination mechanism of this system, and now we now extend those studies to higher energy where the direct dissociative recombinaiton mechanism becomes important. We carried out electron scattering calculations using the Complex Kohn Variational Method as a function of the three internal degrees of freedom to obtain the resonance energy surfaces and autoionization widths. We then use this data as input to form the Hamiltonian relevant to the nuclear dynamics. The multidimensional wave equation is solved using the Multi-Configuration Time-Dependent Hartree (MCTDH) approach. We compute the relative dissociative electron recombination (DR) cross sections and compare to available experiment.