Indirect processes in electron-impact ionization of Xe sup 43+

Journal Article · Wed Oct 31 23:00:00 EST 1990 · Physical Review, A; (USA)

DOI:https://doi.org/10.1103/PhysRevA.42.5315· OSTI ID:5755224

Reed, K J; Chen, M H ^[1]; Moores, D L ^[2]

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1. High Temperature Physics Division, Lawrence Livermore National Laboratory, Livermore, CA (USA)
2. Department of Physics and Astronomy, University College London, London (England)

Relativistic-distorted-wave methods have been used to calculate electron-impact-ionization cross sections for Xe{sup 43+}. Cross sections were calculated for direct ionization of the 3{ital s} electron and the {ital n}=2 inner-shell electrons. Electron-impact-excitation cross sections were calculated for transitions from the {ital n}=2 subshells to the {ital n}=3 and 4 levels of the ion. Detailed Auger and radiative rates were calculated for the intermediate excited states and these were used to determine the excitation-autoionization and resonant-excitation double-autoionization contributions to the ionization cross section. Our results are in excellent agreement with reported experimental results for incident electron energies between 8 and 15 keV. Recent measurements using the electron-beam ion trap are in qualitative agreement with our results for energies between 4 and 8 keV.

• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 5755224
• Journal Information: Physical Review, A; (USA), Journal Name: Physical Review, A; (USA) Vol. 42:9; ISSN 1050-2947; ISSN PLRAA
• Country of Publication: United States
• Language: English

Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
AUTOIONIZATION
CHARGED PARTICLES
COLLISIONS
DISTORTED WAVE THEORY
ELECTRON COLLISIONS
ELECTRON-ION COLLISIONS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
ION COLLISIONS
IONIZATION
IONS
KEV RANGE
MULTICHARGED IONS
RELATIVISTIC RANGE
XENON IONS