Modeling of SQS propagation induced by alpha ray in gas counters

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

Modeling of SQS propagation induced by alpha ray in gas counters

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

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.

Original language	English
Title of host publication	IEEE Nuclear Science Symposium & Medical Imaging Conference
Editors	Anon
Publisher	IEEE
Pages	196-200
Number of pages	5
Volume	1
Publication status	Published - 1995
Event	Proceedings of the 1994 Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 4) - Norfolk, VA, USA Duration: Oct 30 1994 → Nov 5 1994

Other

Other	Proceedings of the 1994 Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 4)
City	Norfolk, VA, USA
Period	10/30/94 → 11/5/94

All Science Journal Classification (ASJC) codes

Computer Vision and Pattern Recognition
Industrial and Manufacturing Engineering

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Nohtomi, A., Narita, K., Sakae, T., Uozumi, Y., Matoba, M., & Koori, N. (1995). Modeling of SQS propagation induced by alpha ray in gas counters. In Anon (Ed.), IEEE Nuclear Science Symposium & Medical Imaging Conference (Vol. 1, pp. 196-200). IEEE.

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title = "Modeling of SQS propagation induced by alpha ray in gas counters",

abstract = "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.",

author = "Akihiro Nohtomi and K. Narita and T. Sakae and Yusuke Uozumi and M. Matoba and N. Koori",

year = "1995",

language = "English",

volume = "1",

pages = "196--200",

editor = "Anon",

booktitle = "IEEE Nuclear Science Symposium & Medical Imaging Conference",

publisher = "IEEE",

note = "Proceedings of the 1994 Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 4) ; Conference date: 30-10-1994 Through 05-11-1994",

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T1 - Modeling of SQS propagation induced by alpha ray in gas counters

AU - Nohtomi, Akihiro

AU - Narita, K.

AU - Sakae, T.

AU - Uozumi, Yusuke

AU - Matoba, M.

AU - Koori, N.

PY - 1995

Y1 - 1995

N2 - 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.

AB - 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.

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AN - SCOPUS:0029216056

VL - 1

SP - 196

EP - 200

BT - IEEE Nuclear Science Symposium & Medical Imaging Conference

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T2 - Proceedings of the 1994 Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 4)

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