Published 1963
| Published
Journal Article
Open
Electron-Impact Spectroscopy
- Creators
- Kuppermann, Aron
- Raff, L. M.
Chicago
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Abstract
A spectrometer has been devised for determining electronic energy levels of molecules by inelastic scattering of low-energy electrons. It permits the detection of optically forbidden electronic transitions as clearly as optically allowed ones in a routine manner. The spectrometer has been used to obtain excitation spectra for helium, argon, hydrogen and ethylene. For the first three of these substances, the spectra agree with previous experiments. For ethylene, in addition to optically allowed transitions, two forbidden ones occur at about 4-6 and 6-5eV. Variation of peak heights with incident electron beam energy suggest that the first corresponds to a triplet state but that the second does not.
Additional Information
© 1963 Royal Society of Chemistry. Received 29th January 1963. The authors wish to thank Dr. Siao-fang Sun for his participation in the early stages of the development of the spectrometer here reported. Supported in part by funds from the U.S. Atomic Energy Commission.Attached Files
Published - KUPdfs63.pdf
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KUPdfs63.pdf
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Additional details
- Eprint ID
- 35049
- Resolver ID
- CaltechAUTHORS:20121023-150421053
- Atomic Energy Commission
- Created
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2012-10-23Created from EPrint's datestamp field
- Updated
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2021-11-09Created from EPrint's last_modified field