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Cesium iodide photon converter performance in a gaseous RICH detector

  • R. Gernhäuser
  • , J. Friese
  • , J. Homolka
  • , A. Kastenmüller
  • , P. Kienle
  • , H. J. Körner
  • , P. Maier-Komor
  • , M. Peter
  • , K. Zeitelhack
  • Technical University of Munich

Research output: Contribution to journalConference articlepeer-review

21 Scopus citations

Abstract

The performance of a 48×48 cm2 multi-wire proportional chamber for VUV photon detection in a RICH setup is reported. The MWPC pad cathode was covered with a solid CsI photo converter layer of 230 μg/cm2 thickness deposited on a resin-stabilized graphite (RSG) coating. Cherenkov light radiated from cosmic muons was detected in the wavelength region 160 nm<λ<220 nm with an average quantum efficiency of 16%. A single photo electron detection efficiency εse>95% and a constant long-term stability of the photo cathode were observed.

Original languageEnglish
Pages (from-to)104-108
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume438
Issue number1
DOIs
StatePublished - 1 Dec 1999
EventProceedings of the 1998 19th World Conference of the International Nuclear Target Development Society - Oak Ridge, TN, USA
Duration: 5 Oct 19989 Oct 1998

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