Projectile dependence of single-K multiple-L shell vacancy production in argon: A universal scaling of
Journal Article
·
· Phys. Rev., A; (United States)
Argon K..cap alpha.. x-ray satellites produced by ion collisions have been analyzed in high resolution. Ions of H, C, N, O, F, Si, and Cl with energies in the range 1--5 MeV/amu were used to bombard argon contained in a gas cell. This study is the first systematic study of K x-ray satellites from free-atom targets with Z > 10. The relative satellite intensities and satellite energies are tabulated and their projectile dependence is qualitatively discussed. The average number of L-shell vacancies formed in single-K-vacancy-producing collisions is determined from a model calculation based on theoretical decay rates. This model includes (i) the variation in fluorescence yield, and (ii) the variation in L-shell rearrangement with the number of L-shell and M-shell electrons. The averages obtained from the model calculation are nearly the same as the < l > values obtained by weighting the x-ray satellites equally. A universal scaling of < l> in Z/sub 1/ and projectile velocity is obtained on the basis of an increased binding effect. This is the first successful demonstration of a scaling law for multiple ionization by heavy ions.
- Research Organization:
- Department of Physics, Kansas State University, Manhattan, Kansas 66502
- OSTI ID:
- 6565428
- Journal Information:
- Phys. Rev., A; (United States), Journal Name: Phys. Rev., A; (United States) Vol. 18:5; 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
ARGON
ATOM COLLISIONS
ATOMIC IONS
BEAMS
CARBON IONS
CATIONS
CHARGED PARTICLES
CHLORINE IONS
COLLISIONS
ELECTRONIC STRUCTURE
ELEMENTS
ENERGY RANGE
FLUORINE IONS
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
ION BEAMS
ION COLLISIONS
ION-ATOM COLLISIONS
IONIZATION
IONS
K SHELL
L SHELL
MEV RANGE
MEV RANGE 01-10
NITROGEN IONS
NONMETALS
OXYGEN IONS
RARE GASES
SILICON IONS
SPECTRA
X-RAY SPECTRA
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ARGON
ATOM COLLISIONS
ATOMIC IONS
BEAMS
CARBON IONS
CATIONS
CHARGED PARTICLES
CHLORINE IONS
COLLISIONS
ELECTRONIC STRUCTURE
ELEMENTS
ENERGY RANGE
FLUORINE IONS
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
ION BEAMS
ION COLLISIONS
ION-ATOM COLLISIONS
IONIZATION
IONS
K SHELL
L SHELL
MEV RANGE
MEV RANGE 01-10
NITROGEN IONS
NONMETALS
OXYGEN IONS
RARE GASES
SILICON IONS
SPECTRA
X-RAY SPECTRA