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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 23, Iss. 24 — Dec. 15, 1984
  • pp: 4532–4538

Uranium ionization in a pulsed krypton-sustained hollow-cathode discharge

A. Gleizes, P. Bouchard, P. Pianarosa, and J. M. Gagné  »View Author Affiliations


Applied Optics, Vol. 23, Issue 24, pp. 4532-4538 (1984)
http://dx.doi.org/10.1364/AO.23.004532


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Abstract

The observed presence of important densities of U ions in our hollow-cathode discharges has prompted our laboratory to investigate in detail the different processes that are responsible for the measured U+ densities. To assess the importance of Penning-type reactions as an ionizing mechanism in our discharges, we have investigated the correlation between metastable Kr and U ii ground-state densities in the discharge glow and the decay rates of Kr metastable states in the discharge afterglow of a krypton-sustained uranium hollow-cathode discharge. From the results obtained we must conclude that when the discharge is pulsed Penning-type reactions play but a secondary role in the overall ionization of uranium. The main ionization mechanisms appear to be due to electron collisions with U atoms.

© 1984 Optical Society of America

History
Original Manuscript: May 17, 1984
Published: December 15, 1984

Citation
A. Gleizes, P. Bouchard, P. Pianarosa, and J. M. Gagné, "Uranium ionization in a pulsed krypton-sustained hollow-cathode discharge," Appl. Opt. 23, 4532-4538 (1984)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-23-24-4532


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