Abstract
The cross-section for the process H
+
+ H(1
s
) → H(1
s
) + H
+
has been calculated for proton energies between 1 and 50 keV by means of the perturbed stationary-state approximation, with allowance for momentum transfer effects. Allowance for momentum transfer is found to decrease the cross-section by 5% at 2 keV, by 16% at 5 keV and by 45% at 20 keV. For energies below about 20 keV, the calculations are within 5% of those of McCarroll (1961), who uses an approximation based on atomic eigenfunctions. The results are in satisfactory accord with the experimental data of Fite, Stebbings, Hummer & Brackmann (1960) in the lower part of the energy range covered (where capture into excited states is unimportant).
Reference13 articles.
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4. Charge Transfer of Protons in Excited Atomic Hydrogen
5. Charge Transfer and the Mobility of H-Ions in Atomic Hydrogen
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