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A ring-imaging Cherenkov counter with a low-pressure two-step UV-detector

  • A. Drees
  • , P. Fischer
  • , P. Glässel
  • , G. Lamade
  • , H. Ries
  • , E. Schmoetten
  • , H. J. Specht
  • , A. Breskin
  • , R. Chechik
  • , Z. Fraenkel
  • , I. Tserruya
  • Heidelberg University 
  • Weizmann Institute of Science

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The application of low-pressure two-step gas detectors to the ring-imaging Cherenkov (RICH) technique is demonstrated. A RICH prototype with a UV-photon detector of 20×20 cm2, filled with 53 mbar of C2H6 + TMAE at 30°C, was exposed to 3 GeV celectrons. Photoelectrons were localized with a FADC system with a spatial resolution of 2 mm rms. The ring reconstruction technique is presented. The advantages of using this method in high background experiments, such as in relativistic heavy ion collisions, are discussed.

Original languageEnglish
Pages (from-to)793-797
Number of pages5
JournalNuclear Inst. and Methods in Physics Research, A
Volume273
Issue number2-3
DOIs
StatePublished - Dec 15 1988

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