Freonless gas mixtures for glass RPC operated in streamer mode

Y. Hoshi, Y. Mikami, T. Nagamine, K. Watanabe, A. Yamaguchi, Y. Yusa

Research output: Contribution to journalConference article

3 Citations (Scopus)

Abstract

We have operated successfully glass Resistive Plate Counters (RPC) at the BELLE experiment by using a nonflammable gas mixture of 30% argon, 8% butane-silver and 62% freon, HFC-134a. This freon is nonozone depleting freon, but a freon has a high global warming potential in general. Thus a gas mixture for RPC might be desired to be freonless in the near future. We have tested the performance of glass RPC operated in streamer mode with a nonfreon gas mixture of argon, butane, CO2 and/or O2 gases, and found an efficiency of about 90%.

Original languageEnglish
Pages (from-to)56-62
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume508
Issue number1-2
DOIs
Publication statusPublished - 2003 Aug 1
Externally publishedYes
EventProceedings of the Sixth International Workshop on Resistive P (RPC 2001) - Coimbra, Portugal
Duration: 2001 Nov 262001 Nov 27

Keywords

  • Nonfreon
  • RPC
  • Streamer mode

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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