Double excitation of helium by fast electrons, protons, and C/sup (4//sup --//sup 6)+/ ions
Journal Article
·
· Phys. Rev. Lett.; (United States)
The electron emission yield from the doubly excited /(2p/sup 1/)/sup 2/D+(2s2p)/sup 1/P/ states in He excited by impact of fast equivelocity electrons, protons, and carbon ions (charge state 4--6) has been measured at the reduced energy of 1.84 MeV/amu. The data constitute a challenge to the recently proposed models that incorporate electron-correlation effects in atomic collisions.
- Research Organization:
- Institute of Physics, University of Aarhus, DK-8000 Aarhus C, Denmark
- OSTI ID:
- 6320733
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 62:20; 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
BARYONS
CARBON IONS
CHARGED PARTICLES
COLLISIONS
CORRELATIONS
ELECTRON COLLISIONS
ELECTRON CORRELATION
ELECTRON EMISSION
ELECTRON-ATOM COLLISIONS
ELEMENTARY PARTICLES
ELEMENTS
EMISSION
ENERGY LEVELS
ENERGY RANGE
EXCITED STATES
FERMIONS
FLUIDS
GASES
HADRONS
HELIUM
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
MEV RANGE
MEV RANGE 01-10
NONMETALS
NUCLEONS
PROTONS
RARE GASES
YIELDS
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
BARYONS
CARBON IONS
CHARGED PARTICLES
COLLISIONS
CORRELATIONS
ELECTRON COLLISIONS
ELECTRON CORRELATION
ELECTRON EMISSION
ELECTRON-ATOM COLLISIONS
ELEMENTARY PARTICLES
ELEMENTS
EMISSION
ENERGY LEVELS
ENERGY RANGE
EXCITED STATES
FERMIONS
FLUIDS
GASES
HADRONS
HELIUM
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
MEV RANGE
MEV RANGE 01-10
NONMETALS
NUCLEONS
PROTONS
RARE GASES
YIELDS