Intermediate-velocity atomic collisions. III. Electron capture in 8. 6- MeV/amu Ca ions
Journal Article
·
· Phys. Rev. A; (United States)
Electron-capture cross sections by 8.6-MeV/amu Ca/sup 18+/, Ca/sup 19+/, and Ca/sup 20+/ beams were measured in gas targets from H/sub 2/ to Xe. Measurements were made of total electron capture as well as of electron capture in coincidence with projectile K x rays. Comparison with the eikonal approximation shows a reasonable agreement with the experimental data. The effect of various metastable states of the heliumlike Ca/sup 18+/ ion created by electron capture for Ca/sup 19+/ projectiles is analyzed, showing that these states play an important role in the detected x-ray yields.
- Research Organization:
- Department of Physics, Stanford University, Stanford, California 94305-4060
- OSTI ID:
- 7137291
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 38:4; ISSN PLRAA
- 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
ATOM COLLISIONS
CALCIUM IONS
CAPTURE
CHARGED PARTICLES
COLLISIONS
COMPARATIVE EVALUATIONS
CROSS SECTIONS
EIKONAL APPROXIMATION
ELECTROMAGNETIC RADIATION
ELECTRON CAPTURE
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXCITED STATES
FLUIDS
GASES
HYDROGEN
ION COLLISIONS
ION-ATOM COLLISIONS
ION-MOLECULE COLLISIONS
IONIZING RADIATIONS
IONS
METASTABLE STATES
MEV RANGE
MEV RANGE 100-1000
MOLECULE COLLISIONS
MULTICHARGED IONS
NITROGEN
NONMETALS
OXYGEN
RADIATIONS
RARE GASES
X RADIATION
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
CALCIUM IONS
CAPTURE
CHARGED PARTICLES
COLLISIONS
COMPARATIVE EVALUATIONS
CROSS SECTIONS
EIKONAL APPROXIMATION
ELECTROMAGNETIC RADIATION
ELECTRON CAPTURE
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXCITED STATES
FLUIDS
GASES
HYDROGEN
ION COLLISIONS
ION-ATOM COLLISIONS
ION-MOLECULE COLLISIONS
IONIZING RADIATIONS
IONS
METASTABLE STATES
MEV RANGE
MEV RANGE 100-1000
MOLECULE COLLISIONS
MULTICHARGED IONS
NITROGEN
NONMETALS
OXYGEN
RADIATIONS
RARE GASES
X RADIATION