Dissociative Electron Attachment to Polyatomic Molecules - IV : Methane
Abstract
In this paper, we discuss the dissociative electron attachment process in Methane. Kinetic energy and angular distributions of H- and CH2- fragment anions across the broad resonance about 10 eV is reported. Angular distribution of H- ions changes from being perpendicular to forward-backward scattering across the resonance. Possibility of Jahn-Teller effect on excitation of the triply degenerate 1t2 molecular orbital is inferred.
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