Projectile 1s. -->. 2p excitation due to electron-electron interaction in collisions of O/sup 5+/ and F/sup 6+/ ions with H/sub 2/ and He targets
Journal Article
·
· Phys. Rev. Lett.; (United States)
Evidence is presented of an excitation process in ion-atom collisions analogous to electron-impact excitation in free-electron-ion collisions. The production of (1s2s2p)/sup 4/P projectile states excited in collisions of (1s/sup 2/2s) O/sup 5+/ and F/sup 6+/ with He and H/sub 2/ targets was found to increase with projectile energy above /similar to/0.75 MeV/u, in agreement with an impulse-approximation treatment of 1s..-->..2p electron-impact excitation of ions in collisions with ''quasifree'' target electrons. Such ion-atom excitations could provide presently unavailable information about inner-shell electron-impact excitation.
- Research Organization:
- J.R. Macdonald Laboratory, Kansas State University, Manhattan, Kansas 66506
- OSTI ID:
- 6271265
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 62:19; ISSN PRLTA
- 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
ATOMS
CATIONS
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
ELECTRON-ELECTRON INTERACTIONS
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FLUIDS
FLUORINE IONS
GASES
HELIUM
HYDROGEN
INTERACTIONS
ION COLLISIONS
ION-ATOM COLLISIONS
ION-MOLECULE COLLISIONS
IONS
LEPTON-LEPTON INTERACTIONS
MOLECULE COLLISIONS
MOLECULES
NONMETALS
OXYGEN IONS
P STATES
PARTICLE INTERACTIONS
RARE GASES
S STATES
TARGETS
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOMS
CATIONS
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
ELECTRON-ELECTRON INTERACTIONS
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FLUIDS
FLUORINE IONS
GASES
HELIUM
HYDROGEN
INTERACTIONS
ION COLLISIONS
ION-ATOM COLLISIONS
ION-MOLECULE COLLISIONS
IONS
LEPTON-LEPTON INTERACTIONS
MOLECULE COLLISIONS
MOLECULES
NONMETALS
OXYGEN IONS
P STATES
PARTICLE INTERACTIONS
RARE GASES
S STATES
TARGETS