A Mechanism for SQS Avalanche

Chen Jige; Xu Zizong; Chen Hongfang; Ma Wengan

Chinese Physics C> 1991, Vol. 15> Issue(S3) : 235-238

A Mechanism for SQS Avalanche

Modem Physics Department, University of Science and Technology of China, Hefei, Anhui, China

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Abstract：
Based on a large amount of experiment information, it is assumed that SQS avalanche is developed when the electric field around the anode wire is heavily distorted by the space charge accumulated in the primary avalanche. Following this assumption calculations are performed. The dependence of charge output on the high voltage of the counter is presented. Some key quantities, such as SQS transition voltage V_tr and charge output Q_pt and Q_st are calculated. Their dependence on gas composition is also presented.
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Chen Jige, Xu Zizong, Chen Hongfang and Ma Wengan. A Mechanism for SQS Avalanche[J]. Chinese Physics C, 1991, 15(S3): 235-238.

Chen Jige, Xu Zizong, Chen Hongfang and Ma Wengan. A Mechanism for SQS Avalanche[J]. Chinese Physics C, 1991, 15(S3): 235-238. shu

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Received: 1990-12-03

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

A Mechanism for SQS Avalanche

Modem Physics Department, University of Science and Technology of China, Hefei, Anhui, China

Received Date: 1990-12-03

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: Based on a large amount of experiment information, it is assumed that SQS avalanche is developed when the electric field around the anode wire is heavily distorted by the space charge accumulated in the primary avalanche. Following this assumption calculations are performed. The dependence of charge output on the high voltage of the counter is presented. Some key quantities, such as SQS transition voltage V_tr and charge output Q_pt and Q_st are calculated. Their dependence on gas composition is also presented.