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A compact gas Cherenkov detector with novel optics

  • M. Sivertz
  • , B. E. Berger
  • , R. D. Ehrlich
  • , J. Bartelt
  • , S. E. Csorna
  • , V. Jain
  • , S. Marka
  • , K. Kinoshita
  • , P. Pomianowski
  • University of California at San Diego
  • Cornell University
  • Vanderbilt University
  • Virginia Polytechnic Institute and State University

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We discuss the design and performance of a threshold Cherenkov counter for identification of charged hadrons. The radiator is pressurized gas, which is contained in thin-walled cylindrical modules. A mirror system of novel design transports Cherenkov photons to photomultiplier tubes. This system is compact, contains relatively little material, and has a large fraction of active volume. A prototype of a module designed for the proposed CLEO III detector has been studied using cosmic rays. Results from these studies show good agreement with a detailed Monte Carlo simulation of the module and indicate that it should achieve separation of pions and kaons at the 2.5σ-3.0σ level in the momentum range 0.8-2.8 GeV/c. We predict performance for specific physics analyses using a GEANT-based simulation package.

Original languageEnglish
Pages (from-to)37-46
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume385
Issue number1
DOIs
StatePublished - Jan 11 1997

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