Study of non-flammable gas mixture for resistive plate counter

H. Takamatsu, K. Abe, Y. Hoshi, M. Ishikawa, N. Kawamura, H. Kawasaki, T. Nagamine, T. Nakajima, K. Neichi, T. Takayama, A. Yamaguchi, H. Yuta

Research output: Contribution to conferencePaperpeer-review

Abstract

The good time and position resolution of the resistive plate counter (RPC) make it on attractive detector for muon trigger system of collider experiment. The standard gas mixture (Ar:68%, +iso-C4H10:30%, +Freon:2%) used for RPC is very flammable when leaked into air. In view of safety issue, we have been studying Ar+CO2+iso-C4H10+Freon gas mixture as a function of ratio Ar:CO2 and with the maximum iso-C4H10 allowed in non-flammable gas mixture for ABS electrodes. The main characteristic of the various mixture have been measured : single count rate versus high voltage and counting efficiency. We have found a set of non-flammable mixture of the kind of Ar+CO2+Freon containing less than approx. 8.4% of iso-C4H10 for muon counter of KEK-B.

Original languageEnglish
Pages505-509
Number of pages5
Publication statusPublished - 1995
EventProceedings of the 1995 IEEE Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 3) - San Francisco, CA, USA
Duration: 1995 Oct 211995 Oct 28

Other

OtherProceedings of the 1995 IEEE Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 3)
CitySan Francisco, CA, USA
Period95/10/2195/10/28

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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