Modeling of SQS propagation induced by alpha ray in gas counters
Journal Article
·
· IEEE Transactions on Nuclear Science
- Kyushu Univ., Fukuoka (Japan). Dept. of Nuclear Engineering
- Univ. of Tokushima (Japan)
With reference to optical images of the self-quenching streamer (SQS), the authors have already proposed a possible mechanism of SQSs induced by {alpha}-rays. To check the validity of the mechanism, they have been designing a model for the computer simulation of the SQS propagation based on the newly proposed mechanism. In the present modeling, in order to calculate the growth of the discharge, a set of continuity equations for electrons and ions is numerically solved in a two-dimensional space. An electron supply process from the {alpha}-ray ionization track is assumed to be the dominant process for the streamer development instead of the conventional electron-supply process which is based on the photoionization in the gas media. The streamer propagation is simulated under the concept of two-region model. A first comparison between computed and experimental results shows a good agreement.
- OSTI ID:
- 129183
- Report Number(s):
- CONF-941061--
- Journal Information:
- IEEE Transactions on Nuclear Science, Journal Name: IEEE Transactions on Nuclear Science Journal Issue: 4Pt1 Vol. 42; ISSN 0018-9499; ISSN IETNAE
- Country of Publication:
- United States
- Language:
- English
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