COUNT-LOSS MECHANISM OF SELF-QUENCHING STREAMER (SQS) TUBES

被引：0
|
作者：
NOHTOMI, A [1 ]
SAKAE, T [1 ]
MATOBA, M [1 ]
KOORI, N [1 ]
机构：
[1] UNIV TOKUSHIMA,FAC INTEGRATED ARTS & SCI,TOKUSHIMA 770,JAPAN
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 342卷 / 2-3期
关键词：
D O I：
10.1016/0168-9002(94)90284-4
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The counting response of SQS tubes is superior to that of conventional GM tubes. The count-loss mechanism of SQS tubes is governed by two different sorts of the space-charge effect, namely a local space-charge effect and a global space-charge effect. The existence of a dead zone leads to the local space-charge effect around each streamer, this effect is dominant at lower exposure rate conditions than 20 mR/h. On the other hand, the global space-charge effect comes from accumulation of slowly-drifting positive ions inside the whole tube, and is dominant at higher exposure-rate conditions than 500 mR/h.
引用
收藏
页码：538 / 543
页数：6
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