Cross Sections for Electron Stripping of Fast H_2 Molecules Incident on H_2 and N_2 Gases

概要

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The cross sections for electron stripping of hydrogen molecules have been measuredat the energies ranging from 0.2 keV to 5.0 keV. The measured cross section varies from1.1 x 10 "cm' to 8.0 x 10 "cm' for the target of II. and from 2.2 x 10 "cm' to2.6x10 "cm" for that of N . In lower energies;, the cross sections for H. -H.collision give remarkably smaller values than those by Peterson et al. which wereobtained using the large effective angle ( - 10') in contrast to the small one ( - 1') in thepresent experument. This suggests that the differential stripping ccross sections are fairlylarge at scattering angles larger than I degree in the energies below l keV. Present cross sections will be recommended to be used for analysis in the plasmadiagnostics with H. molecules using the apparatus with the small effective angle.
社団法人日本物理学会の論文
1977-09-15