Crossed molecular beams kinetics: BaO recoil velocity spectra from Ba+CO/sub 2/ and O/sub 2/
Laboratory (LAB) angular and time-of-flight (TOF) recoil velocity spectra of BaO product produced by crossing a thermal Ba beam with a CO/sub 2/ (for several collision energies) or O/sub 2/ nozzle beam have been measured in a molecular beam apparatus equipped with an electron bombardment ionizer--quadrupole mass filter detector. Product center-of-mass recoil angle and energy distributions have been fit to the data by convoluting the c.m...-->..LAB transformation over measured speed distributions of both beams and the bandpass of the TOF analyzer. Both reactions produce symmetric product c.m. angular distributions which are indicative of the formation of long-lived collision intermediates.
- Research Organization:
- Ames Laboratory, US DOE, and Department of Chemistry, Iowa State University, Ames, Iowa 50011
- OSTI ID:
- 5412286
- Journal Information:
- J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 72:9; ISSN JCPSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Molecular & Chemical Physics-- Beams & their Reactions
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALKALINE EARTH METAL COMPOUNDS
ALKALINE EARTH METALS
ANGULAR DISTRIBUTION
ATOMIC BEAMS
BARIUM
BARIUM COMPOUNDS
BARIUM OXIDES
BEAMS
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
CRYOGENIC FLUIDS
DISTRIBUTION
ELEMENTS
FLUIDS
METALS
MOLECULAR BEAMS
NONMETALS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
RECOILS
TIME-OF-FLIGHT METHOD
VELOCITY