Interference Effects for Low-Energy Electron-Impact Ionization of Nitrogen Molecules

Junfang Gao
Don H. Madison, Missouri University of Science and Technology
Jerry Peacher, Missouri University of Science and Technology

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Young's double slit interference effects for low incident energy 75.6 eV electron impact ionization of N2 are investigated using the distorted-wave impulse approximation (DWIA) for both coplanar symmetric and asymmetric scattering. Although the DWIA does not predict observable interference effects for the coplanar symmetric case, it predicts some strong Young's double-slit-type interference effects for the highly asymmetric scattering case. These effects are strong enough that they should be experimentally observable if one can make measurements in the backscattering region.