摘要: Electron detachment cross sections for the He- and H- ions in hydrogen, helium and argon have been determined in the energy range 4-30 keV. While cross sections for He- impact are larger than the corresponding cross sections for H- impact, a similar energy dependence is observed....
Elastic electron scattering on4He at energies between 30 and 59 MeV The cross section of 4 He for elastic electron scattering has been measured relative to that of the proton using a gas target with helium, hydrogen or a mixture of both gases. Scattering angles were between 56° and 130°,...
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