A search for a freonless gas mixture for glass RPC

S. Narita, K. Watanabe, K. Abe, F. Handa, I. Higuchi, Y. Hoshi, N. Kawamura, K. Kumagai, Y. Mikami, N. Murono, T. Nagamine, K. Neichi, N. Takahashi, M. Yamaga, A. Yamaguchi, Y. Yusa, H. Yuta

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


We have operated successfully glass resistive plate counters in the streamer mode at the BELLE experiment by using a nonflammable gas mixture of argon 30%, butane-silver 8%, and freon, HFC-134a 62%. This freon is non-ozone-depleting but has a high global warming potential (1300 times higher than that of CO2). Thus freon gases might be unusable in the near future. We tested the performance of a glass resistive plate counter operated in the streamer mode with an alternative gas mixtures of argon, butane, CO2, and/or O2 gases and found an efficiency of about 90%.

Original languageEnglish
Pages (from-to)893-899
Number of pages7
JournalIEEE Transactions on Nuclear Science
Issue number3 III
Publication statusPublished - 2001 Jun
Externally publishedYes


  • Particle detector
  • RPC SF6
  • Resistive plate counter
  • Streamer

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering


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