A Spectroscopic Study of the Alpha-Ray-Induced Luminescence in Gases; The Helium-Carbon Monoxide System

A spectroscopic study has been made of the luminescence produced by the polonium-210 alpha irradiation of helium at atmospheric pressure containing small quantities of carbon monoxide (from $3\times 10^{-5}\%$ to 1%). Spectrograms were taken covering the range from 2400 Å to 12,000 Å; with and witho...

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Bibliographic Details
Published in:Radiation research 1970-02, Vol.41 (2), p.288-298
Main Authors: Kunz, C., Dondes, S., Harteck, P.
Format: Article
Language:English
Subjects:
Atmospheric Pressure
Atoms
Carbon dioxide
Carbon dioxide emissions
Carbon monoxide
Carbon Monoxide - analysis
Carbon Monoxide - radiation effects
Gases
Helium
Helium - analysis
Helium - radiation effects
Impurities
Ions
Irradiation
Luminescence
Luminescent Measurements
Polonium
Radiation Effects
Room temperature
Spectrum Analysis
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Summary:A spectroscopic study has been made of the luminescence produced by the polonium-210 alpha irradiation of helium at atmospheric pressure containing small quantities of carbon monoxide (from $3\times 10^{-5}\%$ to 1%). Spectrograms were taken covering the range from 2400 Å to 12,000 Å; with and without the application of an electric field to the luminescent gas; and at liquid nitrogen as well as room temperatures. Emissions from excited C, O, C2, CO, ${\rm CO}^{+}$, and ${\rm CO}_{2}{}^{+}$ have been observed. The most intense emissions are due predominately to the ion-neutral reaction of $({\rm He})_{2}{}^{+}$ with CO. Additional reactions pertinent to the system are examined.
ISSN:0033-7587
1938-5404
DOI:10.2307/3572877