Performance of straw proportional tubes under high gas gain, transition to self-quenching streamer mode and corona discharge

被引：0

作者：

Deptuch, M ^{[1
]}

Kowalski, TZ ^{[1
]}

Mindur, B ^{[1
]}

机构：

[1] Univ Min & Met Krakow, Fac Phys & Nucl Tech, Krakow, Poland

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2003年 / 125卷

关键词：

D O I：

10.1016/S0920-5632(03)91022-X

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The straw operation under high gas gain in proportional mode is always accompanied by self-quenching streamer (SQS) discharges, with a probability which rises very quickly with the gas gain. Further increase of the applied high voltage leads to corona discharge or break-down. Transition from proportional mode to SQS and corona sparking was studied for straw tubes filled with the following mixtures: Xe/CO2/CF4, Xe/CO2, Xe/CO2/O-2 and Xe/CO2/H2O. Streamer discharge probabilities as a function of applied high voltage and temperature were determined. Special attention was paid to show how the pulse height distribution varies as a function of the applied high voltage with a Fe-55-source. It was found that there exists a state of counter operation, at a certain high voltage, in which SQS mode (dominating), proportional mode and corona discharge occur simultaneously.

引用

页码：390 / 393

页数：4

共 9 条

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