Study of Different Gas Mixtures for RPC Detector

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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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Study of Different Gas Mixtures for RPC Detector

    Corresponding author: ZHANG Jia-Wen,
  • Institute of High Energy Physics, CAS, Beijing 100039, China

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.

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