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Electron-capture collisions at keV energies of boron and other multiply charged ions with atoms and molecules. I. Ar, H/sub 2/, and He

Journal Article · · Phys. Rev., A; (United States)
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Single-electron-capture cross sections have been measured for boron ions B/sup q/+ with initial charges q=2, 3, and 4 incident on helium, molecular hydrogen, and argon gas targets. The cross sections show little dependence on the incident ion energy for the range studied, 6q--23q keV. Also reported are double-electron-capture cross sections for B/sup 3 +/ incident on H/sub 2/ and Ar and for B/sup 4 +/ incident on He, H/sub 2/, and Ar, as well as a survey of single-electron-capture cross sections for ions of carbon (2 < or = q < or - 4), nitrogen (2 < or - q < or - 5), and oxygen 2 < or = q < or =6) at the single energies 8q keV incident on He and Ar targets. In general, it is found that the cross sections do not vary monotonically with the initial charge state, for a fixed colliding atomic species. Each reaction depends in detail on the level structures of both the incident ion and the target atom or molecule.
Research Organization:
Department of Physics, Yale University, New Haven, Connecticut 06520
OSTI ID:
5942634
Journal Information:
Phys. Rev., A; (United States), Journal Name: Phys. Rev., A; (United States) Vol. 20:3; ISSN PLRAA
Country of Publication:
United States
Language:
English

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Related Subjects

640304* -- Atomic
Molecular &amp; Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ARGON
ATOM COLLISIONS
ATOMIC IONS
BORON IONS
CAPTURE
CARBON IONS
CHARGE EXCHANGE
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
ELECTRON CAPTURE
ELEMENTS
ENERGY RANGE
FLUIDS
HELIUM
HYDROGEN
ION COLLISIONS
ION-ATOM COLLISIONS
ION-MOLECULE COLLISIONS
IONS
KEV RANGE
KEV RANGE 01-10
MOLECULE COLLISIONS
MULTICHARGED IONS
NITROGEN IONS
NONMETALS
OXYGEN IONS
RARE GASES