Generation Of Sqs In Quenching Gas (Ch4)Of Proportional Counter and Related Problems

Hidenobu Ijir, Yukinobu Watanabe, Susilo Widodo, Takeji Sakae, Masaru Matoba

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Two topics on the, SQS phenomena in proportional counters are reported. One is. the observation of the SQS transition in pure methane gas under irradiatien of 4.5 keV X-rays. The effect of a small amount of argon on, the SQS transition was investigated with gas mixtures (CH4:Ar) having the mixing ratios such as 100:0, 99.8:0.4, 99.7:0.3, 99.5:0.5. 99: 1, 98:2, 95.5:0.5 and 90:10. The SQS transition was not observed in pure methane gas, although it was observed still in the gas mixture of 99.8:0.2. The other is the measurement of electron drift characteristics with a single-Wire gas counter operated. in the SQS transition regions. The counter. gas. used was a mixture of argon and methane (70:30) in which ethanol vapor was added. From comparison with the proportional mode, the use of the SQS mode is recommended to’ obtain a better time resolution in the application of drift counter.

Original languageEnglish
Pages (from-to)724-727
Number of pages4
JournalIEEE Transactions on Nuclear Science
Volume39
Issue number4
DOIs
Publication statusPublished - Aug 1992

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering

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