Total cross sections for Na(3 /sup 2/P/sub 1///sub 2/. -->. 3 /sup 2/P/sub 3///sub 2/) + rare gas collisions
Journal Article
·
· J. Chem. Phys.; (United States)
OSTI ID:7354633
Quantum-mechanical calculations that use the recent pseudopotentials of Pascale and Vandeplanque were employed to obtain the 3 /sup 2/P/sub 1///sub 2/..-->.. 3 /sup 2/P/sub 3///sub 2/ fine structure transition cross sections for Na+He, Ne, Ar, Kr, and Xe collisions. The collision energy range investigated was from threshold (0.00213 eV) to 0.5 eV. The cross sections are found to rise rapidly from threshold to a plateau, with the Na+Ar, Kr, Xe systems also exhibiting a large secondary maximum at approximately 0.1 eV. Regular undulatory structure was observed superimposed on all the cross sections except for the Na+Ne system, while resonances caused by quasibound states were found to be most prominent on the Na+Ar system. Thermally averaged cross sections were calculated from 100 to 1000 degreeK and are found to be in reasonable accord with experiment. (AIP)
- Research Organization:
- Service de Physique Atomique, Centre d'Etudes Nucleaires de Saclay, BP N 2,91190 Gif-sur-Yvette, France
- OSTI ID:
- 7354633
- Journal Information:
- J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 64:9; ISSN JCPSA
- 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
ARGON
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
ELEMENTS
ENERGY-LEVEL TRANSITIONS
FINE STRUCTURE
FLUIDS
HELIUM
KRYPTON
METALS
NEON
NONMETALS
RARE GASES
SODIUM
TOTAL CROSS SECTIONS
XENON
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METALS
ARGON
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
ELEMENTS
ENERGY-LEVEL TRANSITIONS
FINE STRUCTURE
FLUIDS
HELIUM
KRYPTON
METALS
NEON
NONMETALS
RARE GASES
SODIUM
TOTAL CROSS SECTIONS
XENON