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Systematic study of charge transfer in collisions of highly-charged low-velocity rare-gas ions with rare-gases

Thesis/Dissertation ·
OSTI ID:5978677
A systematic study of single and multiple electron capture, transfer ionization and direct ionization in collisions of low energy highly charged (LEHQ rare gas) Ar ions withes (He, Ne, Ar, Kr, and Xe) and of LEHQ rare gas (Ne, Ar, Kr, and Xe) ions with He has been performed for a range of projectile charge states q=2 x 13 and at collision velocities of, typically, 10/sup 6/ x 10/sup 7/ cm/s. The LEHQ ions were obtained from a recently developed secondary recoil ion source that uses the collisions of fast (ca 1 MeV/amu) ions with gaseous targets to produce slow highly charged ions. Cross sections for transfer ionization and direct ionization as well as normal charge capture were measured. Direct ionization was found to be negligibly small in this range of collision energies. Transfer ionization was found to be important, representing as much as 50% of the observed single capture. The experimental results were compared to several theoretical models and a simple Landau-Zener calculation was performed for the case of He targets.
Research Organization:
Kansas State Univ., Manhattan (USA)
OSTI ID:
5978677
Country of Publication:
United States
Language:
English

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Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ARGON
ARGON IONS
ATOM COLLISIONS
CAPTURE
CHARGED PARTICLES
COLLISIONS
DATA
ELECTRON CAPTURE
ELEMENTS
EXPERIMENTAL DATA
FLUIDS
GASES
HELIUM
INFORMATION
ION COLLISIONS
ION-ATOM COLLISIONS
IONIZATION
IONS
KRYPTON
KRYPTON IONS
LANDAU-ZENER FORMULA
NEON
NEON IONS
NONMETALS
NUMERICAL DATA
RARE GASES
XENON
XENON IONS