Communication: Rovibrationally selected study of the N{sub 2}{sup +}(X; v{sup +}= 1, N{sup +}= 0-8) + Ar charge transfer reaction using the vacuum ultraviolet laser pulsed field ionization-photoion method
- Department of Chemistry, University of California, Davis, California 95616 (United States)
- Air Force Research Laboratory, SpaceVehicle Directorate, Hanscom AFB, Massachusetts 01731-3010 (United States)
By employing an electric field pulsing scheme for vacuum ultraviolet laser pulsed field ionization-photoion (PFI-PI) measurements, we have been able to prepare a rovibrationally selected PFI-PI beam of N{sub 2}{sup +}(v{sup +}= 1, N{sup +}) with not only high intensity and high quantum state purity, but also high kinetic energy resolution, allowing absolute total cross sections [{sigma}(v{sup +}= 1, N{sup +})] for the N{sub 2}{sup +}(X; v{sup +}= 1, N{sup +}) + Ar, N{sup +}= 0-8 charge transfer reaction to be measured at center-of-mass collision energies (E{sub cm}) down to thermal energies. The {sigma}(v{sup +}= 1, N{sup +}= 0-8) values determined at E{sub cm}= 0.04-10.00 eV are in good agreement with the theoretical predictions based on the Landau-Zener-Stueckelberg formulism. Taking into account the experimental uncertainties, the {sigma}(v{sup +}= 1, N{sup +}), N{sup +}= 0-8, measured at E{sub cm}= 1.56 eV are found to be independent of N{sup +}.
- OSTI ID:
- 21560278
- Journal Information:
- Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 20 Vol. 134; ISSN JCPSA6; ISSN 0021-9606
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
ATOMS
BEAMS
CENTER-OF-MASS SYSTEM
CHARGE EXCHANGE
CHARGED PARTICLES
COLLISIONS
COMMUNICATIONS
CROSS SECTIONS
DIRECT REACTIONS
ELECTRIC FIELDS
ELECTROMAGNETIC RADIATION
ENERGY
ENERGY LEVELS
EXCITED STATES
FORECASTING
IONIZATION
IONS
KINETIC ENERGY
LASERS
NITROGEN IONS
NUCLEAR REACTIONS
PHOTOIONIZATION
POTENTIAL ENERGY
RADIATIONS
SPECTRA
TOTAL CROSS SECTIONS
TRANSFER REACTIONS
ULTRAVIOLET RADIATION
ULTRAVIOLET SPECTRA
VIBRATIONAL STATES