{ital K}-shell ionization of B, O, and F by 0.4{endash}2.0-MeV He{sup +} ions
- Department of Physics, Baylor University, Waco, Texas 76798 (United States)
Absolute {ital K}-shell ionization cross sections of B, O, and F have been obtained for incident He{sup +} ion energies of 0.4{endash}2.0 MeV in steps of 0.2 MeV. These ionization cross sections were obtained from Auger-electron yields measured for atomic boron in BF{sub 3}; for atomic oxygen in CO, CO{sub 2}, and O{sub 2}; and for atomic fluorine in C{sub 2}H{sub 2}F{sub 2}, C{sub 2}F{sub 6}, and C{sub 4}F{sub 8}. For F-containing molecules, the {ital K}-shell ionization cross sections per atom are found, both in this laboratory and at other laboratories, to decrease as the number of F atoms in the molecule increases. The experimental {ital K}-shell ionization cross sections are compared to existing experimental {ital K}-shell ionization cross sections as well as to various theoretical predictions. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 279020
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 3 Vol. 53; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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