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

页码：538 / 543

页数：6

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