Study of Different Gas Mixtures for RPC Detector

ZHANG Jia-Wen; LI Ru-Bai; DU Zhi-Zhen

Chinese Physics C> 2003, Vol. 27> Issue(11) : 1019-1022

Study of Different Gas Mixtures for RPC Detector

Institute of High Energy Physics, CAS, Beijing 100039, China

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Abstract：
Plenty of experimental studies on the effects of performances of RFC operated with different gas mixtures have been carried out. The curves of signal amplitude, multi-counting, efficiency, single counting rate and dark current versus the high voltage were measured using cosmic rays, based on the gas mixtures of Argon, Iso-butane and F134A with different fractions. The measured results show the plateau length could be prolonged, the detection efficiency increased and the dark current decreased in the plateau region of RFC, if the Argon ratio was reduced and the ratios of Iso-butane and F134A increased correspondingly, at the cost of increasing the working high voltage.

References

[1]	Santonico R. Nucl. Instr. and Meth., 1981, 187:377 2 ZHANG Jia–Wen et al. High Energy Phys. and Nucl. Phys., 2003, 27(7) : 615(in Chinese)(张家文等.高能物理与核物理,2003,27(7) :615)

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ZHANG Jia-Wen, LI Ru-Bai and DU Zhi-Zhen. Study of Different Gas Mixtures for RPC Detector[J]. Chinese Physics C, 2003, 27(11): 1019-1022.

ZHANG Jia-Wen, LI Ru-Bai and DU Zhi-Zhen. Study of Different Gas Mixtures for RPC Detector[J]. Chinese Physics C, 2003, 27(11): 1019-1022. shu

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Received: 2003-03-20
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

Study of Different Gas Mixtures for RPC Detector

Corresponding author: ZHANG Jia-Wen,

Institute of High Energy Physics, CAS, Beijing 100039, China

Received Date: 2003-03-20
Accepted Date: 1900-01-01
Available Online: 2003-11-05

Abstract: Plenty of experimental studies on the effects of performances of RFC operated with different gas mixtures have been carried out. The curves of signal amplitude, multi-counting, efficiency, single counting rate and dark current versus the high voltage were measured using cosmic rays, based on the gas mixtures of Argon, Iso-butane and F134A with different fractions. The measured results show the plateau length could be prolonged, the detection efficiency increased and the dark current decreased in the plateau region of RFC, if the Argon ratio was reduced and the ratios of Iso-butane and F134A increased correspondingly, at the cost of increasing the working high voltage.