A STUDY OF ALPHA PARTICLE IONIZATION IN ARGON MIXTURES

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The existence of one or more long-lived nonmetastable excited states of argon in the 15 to 15.5 ev range has been indicated. The increased ionization observed when certain impurities are added to argon is attributed to this long lived excited staate rather than to molecular argon or subexcitation electrons. A competitive process between optical decay and ionizing collisions was evidenced by spectral analysis of the gas mixtures. From these experiments it was not possible to determine the exact energy levels of the suggested long-lived excited states. (auth)

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Pages: 59

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Sanders, F.W.; Hurst, G.S. & Bortner, T.E. October 23, 1959.

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Description

The existence of one or more long-lived nonmetastable excited states of argon in the 15 to 15.5 ev range has been indicated. The increased ionization observed when certain impurities are added to argon is attributed to this long lived excited staate rather than to molecular argon or subexcitation electrons. A competitive process between optical decay and ionizing collisions was evidenced by spectral analysis of the gas mixtures. From these experiments it was not possible to determine the exact energy levels of the suggested long-lived excited states. (auth)

Physical Description

Pages: 59

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NTIS

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  • Other Information: Orig. Receipt Date: 31-DEC-60

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  • Report No.: ORNL-2807
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/4198198 | External Link
  • Office of Scientific & Technical Information Report Number: 4198198
  • Archival Resource Key: ark:/67531/metadc881116

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  • October 23, 1959

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 3, 2016, 6:34 p.m.

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Sanders, F.W.; Hurst, G.S. & Bortner, T.E. A STUDY OF ALPHA PARTICLE IONIZATION IN ARGON MIXTURES, report, October 23, 1959; Tennessee. (digital.library.unt.edu/ark:/67531/metadc881116/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.