Modeling of SQS propagation induced by alpha ray in gas counters

Akihiro Nohtomi, K. Narita, T. Sakae, Yusuke Uozumi, M. Matoba, N. Koori

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Referring to optical images of self-quenching streamer (SQS), we have already proposed a possible mechanism of SQS induced by α-ray. To check the validity of the mechanism, we have been designing a model for the computer simulation of SQS propagation. In the present modelling, in order to calculate the discharge growing, a set of continuity equations for electrons and ions is numerically solved in a two-dimensional space. Electron supply from the alpha-ray ionization track is assumed to be dominant process for the streamer development instead of the conventional electron-supply process which is based on the photo ionization in the gas medium. The streamer propagation is simulated under the concept of 'two-region model'. A first comparison between computed and experimental results shows a good agreement.

本文言語英語
ホスト出版物のタイトルIEEE Nuclear Science Symposium & Medical Imaging Conference
編集者 Anon
出版社IEEE
ページ196-200
ページ数5
1
出版ステータス出版済み - 1995
イベントProceedings of the 1994 Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 4) - Norfolk, VA, USA
継続期間: 10 30 199411 5 1994

その他

その他Proceedings of the 1994 Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 4)
CityNorfolk, VA, USA
Period10/30/9411/5/94

All Science Journal Classification (ASJC) codes

  • コンピュータ ビジョンおよびパターン認識
  • 産業および生産工学

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