Ionization of Atomic Oxygen on Electron Impact
- 1 February 1959
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 113 (3) , 815-816
- https://doi.org/10.1103/physrev.113.815
Abstract
The cross section for ionization of atomic oxygen has been measured by using modulated atomic beam techniques. First the ratio of the cross sections for production of the molecular oxygen ion and for total ion production in collisions of electrons with oxygen molecules was measured. Then the ratio of the ionization cross section of the free oxygen atom and the cross section for production of the molecular ion in electron-molecule collisions was determined. From the previously known total ionization cross section of the molecule, and the measured ratios, the unknown cross sections were determined. The experimental results are compared with the calculations of Seaton.Keywords
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