Time-of-Flight Spectroscopy of Molecular Structure, Collision Processes, and Gas-Surface Interactions.
Abstract
Progress is reported on research in molecular physics involving electron-bombardment molecular dissociation. The velocity distribution of metastable and ionic fragments are measured using a pulsed electron beam and a time-of-flight technique. Fragments from the hydrogen molecule and its deuterated forms have been investigated using electron energies from 30 to 100 electron-volts. Dissociation channels via particular molecular or molecular ion excited states have been proposed to explain observed features in the velocity spectra. A similar experiment involving hydrogen fragments from the hydrogen halides is also in progress. Preliminary data show several resolved velocity groups indicating the presence of multiple dissociating channels. Experiments using water and hydrogen sulfide molecules are also underway. Finally, we are continuing to develop our ion mass filter which allows us to obtain separate ion velocity distributions for each mass in a situation in which several ion masses are present. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 15, 1981
- Accession Number
- ADA105438
Entities
People
- Laurence C. Mcintyre Jr
- Willis E. Lamb Jr.
Organizations
- University of Arizona