Numerical study on production processes of vibrationally excited molecules in hydrogen negative ion sources

概要

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Production processes of vibrationally excited hydrogen molecules and their effects on H- production are studied theoretically by using a set of particle balance equations in a steady-state hydrogen plasma. For vibrational excitation, three processes, i.e., fast-electron collisional excitation, neutralization of moleculer ions, and atom-surface recombination, are taken into account. Enhancement of vibrational excitation including vibrational distribution and H- production is obtained as a function of three different excitation processes.
American Institute of Physicsの論文