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Interference effects in electron-molecular scattering and diffraction imaging of molecular dynamics

The non-stationary problem of electron-molecular ion scattering is solved analytically in the frame of the perturbation theory on the scattering potential and without the plane wave approximation for the incident electron. The influence of the parameters of the incident electron wave-packet on the observed diffraction images is studied. Effect of interference between incident and scattered wave packets is analyzed in details and shown to result in dramatic changes of the angular distributions.