Polarization effects in the differential quenching cross section of Na* by diatomic molecules
Journal Article
·
· Phys. Rev. Lett.; (United States)
The dependence of scattering intensities for the quenching process Na*(3/sup 2/P) + N/sub 2/(..nu..=0) ..-->.. Na(3/sup 2/S) + N/sub 2/(..nu..') on the polarization of the exciting laser light has been studied. A distinct anisotropy is observed at small scattering angles, which is most pronounced where the scattering cross section is largest. It is found that the quenching cross section sigma/sub 1/ for a 3p..pi.. state is smaller than sigma/sub 0/ for the 3psigma state and, thus, electronic angular momentum is transferred to collisional and/or rotational angular momentum.
- Research Organization:
- Fachbereich Physik der Universitaet Kaiserslautern, 6750 Kaiserslautern, West Germany
- OSTI ID:
- 7329962
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 38:7; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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· J. Phys. Chem.; (United States)
·
OSTI ID:6962059
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Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METALS
AMPLITUDES
ANGULAR MOMENTUM
ATOM COLLISIONS
ATOM-MOLECULE COLLISIONS
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
DE-EXCITATION
DIFFERENTIAL CROSS SECTIONS
ELEMENTS
ENERGY LEVELS
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EXCITED STATES
FLUIDS
KINETICS
METALS
MOLECULE COLLISIONS
NITROGEN
NONMETALS
POLARIZATION
REACTION KINETICS
SCATTERING AMPLITUDES
SODIUM
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METALS
AMPLITUDES
ANGULAR MOMENTUM
ATOM COLLISIONS
ATOM-MOLECULE COLLISIONS
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
DE-EXCITATION
DIFFERENTIAL CROSS SECTIONS
ELEMENTS
ENERGY LEVELS
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EXCITED STATES
FLUIDS
KINETICS
METALS
MOLECULE COLLISIONS
NITROGEN
NONMETALS
POLARIZATION
REACTION KINETICS
SCATTERING AMPLITUDES
SODIUM