Total absolute cross sections for electron scattering on hexafluorobenzene, C6F6, and sulfur hexafluoride, SF6, molecules, have been measured as a function of impact energy from 0.6 to 250 eV. The total cross section for C6F6 exhibits a very broad peak stretching from 10 to 100 eV with some weak features near 9.5 and 15 eV superimposed on the peak. Apart from the well-known low-energy resonant structures in the SF6 total cross section function, a new weak resonant feature close to 25 eV has been noticed in the present experiment, in accordance with earlier theoretical calculations.
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Kasperski, G., Możejko, P. & Szmytkowski, C. Electron scattering on C6F6 and SF6 molecules. Z Phys D - Atoms, Molecules and Clusters 42, 187–191 (1997). https://doi.org/10.1007/s004600050353