Electron attachment cross sections and negative ion states of SF6

A comprehensive and critical assessment of published data on the total, dissociative and nondissociative electron attachment cross sections for SF6 allowed us to recommend or suggest room temperature values for these cross sections over an energy range from 0.0001 eV to 15 eV. The total electron attachment cross section is dominated by the formation of SF6- below similar to0.2 eV, by the formation of SF; between similar to0.3 eV and 1.5 eV, and by the formation of F- beyond similar to2.0 eV. This work, along with electron scattering and theoretical data, allowed us also to identify the energies and symmetry assignments of the negative ion states of SF6 below similar to 15 eV. (C) 2001 Elsevier Science B.V.