Electron-beam diagnostics in nitrogen. Secondary processes
Journal Article
·
· Sov. Phys. - Tech. Phys. (Engl. Transl.); (United States)
OSTI ID:5670874
The problems connected with electron-beam diagnostics of nitrogen are discussed. It is established that the excitation of the N/sup +//sub 2/B/sup 2/..sigma../sup +//sub u/ state and the emission of the first negative system (1 NS) of N/sub 2/ bands are caused by primary and fast secondary electrons. It is shown that the ionization of nitrogen in the N/sup +//sub 2/B/sup 2/..sigma../sup +//sub u/ state by secondary electrons takes place with a larger change in the rotational quantum number than for ionization by fast primary electrons. The distribution function of the secondary electrons and their contribution to the emission intensity of the 1 NS excited by a diagnostic electron beam are determined using the linearized integral Boltzmann equation. The experimental and calculated emission intensities are compared and good agreement is obtained.
- Research Organization:
- Institute of Thermophysics, Siberian Branch of the Academy of Sciences of the USSR, Novosibirsk
- OSTI ID:
- 5670874
- Journal Information:
- Sov. Phys. - Tech. Phys. (Engl. Transl.); (United States), Journal Name: Sov. Phys. - Tech. Phys. (Engl. Transl.); (United States) Vol. 26:9; ISSN SPTPA
- 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
BAND THEORY
BEAMS
BOLTZMANN EQUATION
CHARGED PARTICLES
COLLISIONS
DIFFERENTIAL EQUATIONS
ELECTRON BEAMS
ELECTRON COLLISIONS
ELECTRON EMISSION
ELECTRON-ION COLLISIONS
ELECTRONIC STRUCTURE
EMISSION
ENERGY LEVELS
EQUATIONS
EXCITED STATES
ION COLLISIONS
IONIZATION
IONS
LEPTON BEAMS
MOLECULAR IONS
NITROGEN IONS
PARTIAL DIFFERENTIAL EQUATIONS
PARTICLE BEAMS
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
BAND THEORY
BEAMS
BOLTZMANN EQUATION
CHARGED PARTICLES
COLLISIONS
DIFFERENTIAL EQUATIONS
ELECTRON BEAMS
ELECTRON COLLISIONS
ELECTRON EMISSION
ELECTRON-ION COLLISIONS
ELECTRONIC STRUCTURE
EMISSION
ENERGY LEVELS
EQUATIONS
EXCITED STATES
ION COLLISIONS
IONIZATION
IONS
LEPTON BEAMS
MOLECULAR IONS
NITROGEN IONS
PARTIAL DIFFERENTIAL EQUATIONS
PARTICLE BEAMS