A Mechanism for SQS Avalanche

CHEN Ji-Ge; XU Zi-Zong; CHEN Hong-Fang; MA Wen-Gan

Chinese Physics C> 1991, Vol. 15> Issue(7) : 669-672

A Mechanism for SQS Avalanche

Modern Physics Department,University of Science and Technology of China,Hefei 230026

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Abstract：
Based on a large amount of experimental nformations,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 the calculations are performel.The dependence of charge output on the high voltage of the counter is presented.Some key quantities,such SQS-transition voltage V_tr and charge output Q_pt and Q_st are calculated.Their dependence on gas composition is Presented.

References

[1]

G. D. Alekseev et al., Nucl. instr,Meth., A177(1980), 385.[2] M. Atac et al, Nucl. Instr,Meth., A200(1982), 345.[3] 张良生, 科学通报, 15(1985), 1136,[4] N. Koori et al, IEEE Trans. N. S., 36(1989), 223.[5] N. Koori et al., IEEE Trans. N. S., 33(1986), 895.[6] J. M. Geary et al, Phys. Rev., A17(1977), 483.[7] 杨津基编著, 气体放电.[8] 陈继革, 许咨宗, 第五次核电子学与探测器会议文集, 兰州(1990).

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CHEN Ji-Ge, XU Zi-Zong, CHEN Hong-Fang and MA Wen-Gan. A Mechanism for SQS Avalanche[J]. Chinese Physics C, 1991, 15(7): 669-672.

CHEN Ji-Ge, XU Zi-Zong, CHEN Hong-Fang and MA Wen-Gan. A Mechanism for SQS Avalanche[J]. Chinese Physics C, 1991, 15(7): 669-672. shu

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Received: 1900-01-01
Revised: 1900-01-01

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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

Corresponding author: CHEN Ji-Ge,

Modern Physics Department,University of Science and Technology of China,Hefei 230026

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1991-07-05

Abstract: Based on a large amount of experimental nformations,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 the calculations are performel.The dependence of charge output on the high voltage of the counter is presented.Some key quantities,such SQS-transition voltage V_tr and charge output Q_pt and Q_st are calculated.Their dependence on gas composition is Presented.