Effect of methylal quenching gas for self-quenching streamer (SQS) tube with Ar-isoC4H10-methylal mixture

Norihiko Koori, Akihiro Nohtomi, Masashi Hirota

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1 Citation (Scopus)


Properties of a self-quenching streamer (SQS) tube with an Ar-isoC4H10(75: 25) mixture containing 2.5% methylal vapor have been investigated for uniform γ-ray irradiation. The effect of electro-negative methylal as the second quenching gas has been studied for avalanche sizes, pulse shapes of current signals, dead zones, and counting-rate characteristics of the SQS tube. The dead zone and counting-rate characteristics are improved very much by the use of the mixture containing methylal.

Original languageEnglish
Pages (from-to)974-980
Number of pages7
Journaljournal of nuclear science and technology
Issue number10
Publication statusPublished - Oct 1993

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering


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