Energy and angular distributions of electrons ejected in the ionization of SF/sub 6/ and TeF/sub 6/ by fast protons. [0. 3 to 1. 8 MeV H/sup +/]
1977
Absolute cross sections, differential in ejected electron energy and emission angle, have been measured for ionization of SF/sub 6/ and TeF/sub 6/ molecules by protons in the energy range from 0.3 to 1.8 MeV. Evidence of potential barrier effects is observed in the structure of the low-energy portion of the ejected electron energy spectra. This structure, as well as cross sections for direct ionization processes, is discussed with respect to dependence on emission angle and incident particle energy. Emission cross sections are compared to similar measurements for molecules with constituents of only low atomic number.
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