Ratio of 1s-2s and 1s-2p excitation of atomic hydrogen by electron impact
Journal Article
·
· Phys. Rev. Lett.; (United States)
The electron-photon coincidence technique is used to separate the 54.4-eV electron impace 2p and 2s excitation cross sections of atomic hydrogen. The 2s/2p cross-section ratios, normalized to theory at 10/sup 0/, are in excellent agreement with the close-coupling calculations of Kingston, Fon, and Burke, In reasonable agreement with hybrid psuedo-state close-coupling plus unitarized born calculations, but in strong disagreement with the distorted-wave Born-approximation and hybrid close-coupling plus distorted-wave polarized-orbital calculations.
- Research Organization:
- Institute of Atomic Studies, The Flinders University of South Australia, Bedford Park, 5042 South Australia, Australia
- OSTI ID:
- 5125912
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 45:4; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Journal Article
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Journal Article
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Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANGULAR CORRELATION
ATOMS
BORN APPROXIMATION
COINCIDENCE METHODS
COLLISIONS
CORRELATIONS
COUNTING TECHNIQUES
CROSS SECTIONS
ELECTRON COLLISIONS
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FERMIONS
HYDROGEN
LEPTONS
MASSLESS PARTICLES
NONMETALS
PHOTONS
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANGULAR CORRELATION
ATOMS
BORN APPROXIMATION
COINCIDENCE METHODS
COLLISIONS
CORRELATIONS
COUNTING TECHNIQUES
CROSS SECTIONS
ELECTRON COLLISIONS
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FERMIONS
HYDROGEN
LEPTONS
MASSLESS PARTICLES
NONMETALS
PHOTONS