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The electron avalanche and its development

The electron avalanche and its development SummaryA single electron avalanche can be detected by the following methods: 1) by means of a cloud chamber; 2) by measuring the potential drop over a series resistance which is composed of the rapid electron component and the slow ion component; 3) by detecting the light quanta, emitted especially from the head of the avalanche, with a photo-multiplier. If we enlarge the multiplication expad, the following processes happen:a) the number of ions moving to the cathode and the number of light quanta increases;b) the space charge field increases. Processa) starts the spark by avalanches going to and fro (Townsend mechanism). Processb) becomes important when expad becomes exp 20, where the streamer mechanism starts. These points are discussed in detail. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Scientific Research, Section B Springer Journals

The electron avalanche and its development

Haether, H.
Applied Scientific Research, Section B , Volume 5 (1) – Dec 1, 1956
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Publisher
Springer Journals
Copyright
Copyright © Martinus Nijhoff 1956
ISSN
0365-7140
DOI
10.1007/bf02933256
Publisher site
See Article on Publisher Site

Abstract

SummaryA single electron avalanche can be detected by the following methods: 1) by means of a cloud chamber; 2) by measuring the potential drop over a series resistance which is composed of the rapid electron component and the slow ion component; 3) by detecting the light quanta, emitted especially from the head of the avalanche, with a photo-multiplier. If we enlarge the multiplication expad, the following processes happen:a) the number of ions moving to the cathode and the number of light quanta increases;b) the space charge field increases. Processa) starts the spark by avalanches going to and fro (Townsend mechanism). Processb) becomes important when expad becomes exp 20, where the streamer mechanism starts. These points are discussed in detail.

Journal

Applied Scientific Research, Section B – Springer Journals

Published: Dec 1, 1956

Keywords: Space Charge; Secondary Electron; Formative Time; Potential Drop; Breakdown Potential

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