Vibrational excitation of molecules during resonance scattering of electrons

Journal Article · Mon Aug 01 04:00:00 EDT 1977 · Sov. Phys. - JETP (Engl. Transl.); (United States)

OSTI ID:6681960

Golubkov, G V; Dalidchik, F I; Ivanov, G K

An analytic solution is obtained within the framework of the displaced oscillator model for the vibrational transitions of molecules during resonance scattering of electrons. Limiting and special cases illustrating the properties of the excitation functions under different physically possible conditions are examined. More precise conditions are established for the validity of existing approximations (intermediate compound state and pulsed resonance scattering). Expressions are obtained for the vibrational transitions when these conditions are violated. Vibrational transitions during electron scattering by excited molecules are discussed. Resonance dissociation of diatomic molecules is investigated and, in particular, it is noted that the intermediate autoionization complex can be investigated by examining the spectrum of dissociation products. The model is generalized to the multidimensional case, and this is then used to investigate analytically the vibrational transitions in polyatomic molecules. The theory is illustrated by the example of vibrational excitation of molecular nitrogen, and the results obtained are in good agreement with experiment.

• Research Organization: Institute of Chemical Physics, USSR Academy of Sciences
• OSTI ID: 6681960
• Journal Information: Sov. Phys. - JETP (Engl. Transl.); (United States), Journal Name: Sov. Phys. - JETP (Engl. Transl.); (United States) Vol. 46:2; ISSN SPHJA
• Country of Publication: United States
• Language: English

Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANALYTICAL SOLUTION
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
ELECTRON COLLISIONS
ELECTRON-MOLECULE COLLISIONS
ELEMENTS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXCITATION FUNCTIONS
EXCITED STATES
FLUIDS
HARMONIC OSCILLATOR MODELS
INELASTIC SCATTERING
MATHEMATICAL MODELS
MOLECULE COLLISIONS
NITROGEN
NONMETALS
RESONANCE SCATTERING
SCATTERING
VIBRATIONAL STATES