Computed rotational rainbows from realistic potential energy surfaces
The quantal IOS approximation in here employed to study interference structures in the rotationally inelastic, state-to-state differential cross sections for polar diatomic targets (LiH, FH, and CO) interacting with He atoms. Quite realistic expressions are used to describe the relevant potential energy surfaces (PES) which were taken from previous works that tested them against accurate experimental findings for total and partial differential cross sections. Specific features like short-range anisotropy and well depth, long-range attractive regions and overall range of action for each potential employed are analyzed and discussed in relation to their influence on rotational rainbows appearance and on the possible observation of cross section extrema in rotational energy distributions.
- Research Organization:
- Department of Chemistry, University of Rome, Citta Universitaria, 00100 Roma AD, Italy
- OSTI ID:
- 5411885
- Journal Information:
- J. Chem. Phys.; (United States), Vol. 83:3
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CARBON MONOXIDE
ATOM-MOLECULE COLLISIONS
HELIUM
HYDROFLUORIC ACID
LITHIUM HYDRIDES
DIFFERENTIAL CROSS SECTIONS
ENERGY SPECTRA
ROTATIONAL STATES
SUDDEN APPROXIMATION
ALKALI METAL COMPOUNDS
ATOM COLLISIONS
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
COLLISIONS
CROSS SECTIONS
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FLUIDS
GASES
HYDRIDES
HYDROGEN COMPOUNDS
INORGANIC ACIDS
LITHIUM COMPOUNDS
MOLECULE COLLISIONS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
RARE GASES
SPECTRA
640304* - Atomic
Molecular & Chemical Physics- Collision Phenomena