Cross-section for single ionization of H2O and D2O by electron impact from threshold up to 170 eV
作者： T.D. Mārk , F. Egger
DOI: 10.1016/0020-7381(76)80035-6
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摘要: Abstract A study was made of electron-impact ionization the parent-ion in water vapour and heavy-water as a function electron energy up to 170 eV crossed molecule-electron beam apparatus. Absolute cross-sections were obtained for processes H 2 O + e → 2e D by means normalization against Ar. The results are compared with previous measurements q (H /H O) discussed theoretically terms additivity rule. Using linear-extrapolation method following potentials deduced from low-energy cross-section behaviour: ( B 1 ) = 12.7±0.1 eV, 12.75±0.1 16.2±0.2 16.0±0.2 eV.
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