Electron mobibties m dense etbane gas are inthpreted m terms of a multxple scatteilng model, whereby the work fimc hon duft V. IS used for the energy tit mside the gas. By using gsphase momentum transfer cross section, the chauge III densty-normalned mobility with density at 36°C can be described se
A pressure-shift study of electron scattering in dense hydrogen—argon gas mixtures
✍ Scribed by U. Asaf; S. Felps; K. Rupnik; S.P. McGlynn
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 286 KB
- Volume
- 212
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Rydberg absorption spectra of methyl iodide, CH,I, in hydrogen-argon binary mixtures of density (2.16-3.14) x 10" cm-3 are reported. The Rydberg energy shifts, normalized to a total density of 1 X 1021 cmm3, vary linearly with the mole fraction of the binary mixture. Reservations concerning this linearity arc elaborated. The relationship of scattering lengths to cross sections for binary scatterers is discussed: cross sections, as obtained from mobility measurements, are additive for binaries whereas, for pressure-shift measurements, it is scattering lengths which are additive.
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