Angular correlations in the electron-impact excitation of sodium
Journal Article
·
· Phys. Rev. A; (United States)
An electron-photon coincidence technique has been used to measure an angular-correlation function for the excitation of the 3 /sup 2/P state in sodium at an incident electron energy of 54.4 eV; the scattered electrons are detected at 5/sup 0/. It is shown that the depolarizing influence of the hyperfine structure in the excited state is such that the angular correlation is essentially isotropic. Thus severe limitations are imposed on the use of this technique for the study of scattering amplitudes in the electron-impact excitation of sodium atoms.
- Research Organization:
- Institute for Atomic Studies, The Flinders University of South Australia, Bedford Park, South Australia, Australia 5042
- OSTI ID:
- 5476312
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 37:5; 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
ALKALI METALS
AMPLITUDES
ANGULAR CORRELATION
ATOM COLLISIONS
BEAM DYNAMICS
BEAM-BEAM INTERACTIONS
COINCIDENCE METHODS
COLLISIONS
CORRELATIONS
COUNTING TECHNIQUES
CROSS SECTIONS
DATA
ELECTRON COLLISIONS
ELECTRON-ATOM COLLISIONS
ELEMENTS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXPERIMENTAL DATA
INFORMATION
METALS
NUMERICAL DATA
P STATES
SCATTERING AMPLITUDES
SODIUM
SPIN FLIP
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METALS
AMPLITUDES
ANGULAR CORRELATION
ATOM COLLISIONS
BEAM DYNAMICS
BEAM-BEAM INTERACTIONS
COINCIDENCE METHODS
COLLISIONS
CORRELATIONS
COUNTING TECHNIQUES
CROSS SECTIONS
DATA
ELECTRON COLLISIONS
ELECTRON-ATOM COLLISIONS
ELEMENTS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXPERIMENTAL DATA
INFORMATION
METALS
NUMERICAL DATA
P STATES
SCATTERING AMPLITUDES
SODIUM
SPIN FLIP