Title: Ionization in Low-Energy Atomic Collisions of Neon with Neon and Krypton with Krypton
Abstract:Neutral atomic beams of neon and krypton have been used to measure the total-ionization cross section for symmetric collisions as a function of energy. The beams were produced by symmetric charge tran...Neutral atomic beams of neon and krypton have been used to measure the total-ionization cross section for symmetric collisions as a function of energy. The beams were produced by symmetric charge transfer of ions produced in an electron-impact ion source with low-energy electrons. Beam energies ranged from below the ionization thresholds to 2000 eV for neon and to 1000 eV for krypton. Neutral-beam intensities were determined by the measurement of slow- and scattered-ion currents generated in the charge-transfer cell. It is found that the Ne-Ne ionization cross section is a rather smoothly varying function of energy, while that for Kr-Kr collisions exhibits structure. The two cross sections become equal at approximately 130 eV incident energy, above which the Kr-Kr cross section remains below that for Ne-Ne. Results are compared with those by Flaks at higher energies, and those by Bussmann and Rostagni at intermediate energies.Read More
Publication Year: 1969
Publication Date: 1969-01-05
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 20
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