Performance of the CLEO III LiF-TEA ring imaging Cherenkov detector in a high-energy muon beam

M. Artuso, R. Ayad, F. Azfar, A. Efimov, S. Kopp, R. Mountain, G. Majumder, S. Schuh, T. Skwarnicki, S. Stone, G. Viehhauser, J. C. Wang, T. Coan, V. Fadeyev, I. Volobouev, J. Ye, S. Anderson, Y. Kubota, A. Smith, E. Lipeles

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

The CLEO III Ring Imaging Cherenkov detector uses LiF radiators to generate Cherenkov photons which are then detected by proportional wire chambers using a mixture of CH4 and TEA gases. The first two photon detector modules which were constructed, were taken to the Fermilab and tested in a beam dump that provided high-momentum muons. We report on results using both plane and 'sawtooth'-shaped radiators. Specifically, we discuss the number of photoelectrons observed per ring and the angular resolution. The particle separation ability is shown to be sufficient for the physics of CLEO III.

Original languageEnglish (US)
Pages (from-to)374-392
Number of pages19
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume441
Issue number3
DOIs
StatePublished - Mar 1 2000

Bibliographical note

Funding Information:
We would like to thank Fermilab for providing us with the dedicated beam time for our test, the Computing Division for its excellent assistance, and our colleagues from E866 for their hospitality in the beamline. Especially helpful were Chuck Brown, Joel Butler, and Ruth Pordes. We appreciate the initial guidance and advice from Jacques Séguinot and Tom Ypsilantis. Franz Muheim and Stephen Playfer were important participants in the early stages of this work. We also thank the U.S. National Science Foundation and the Department of Energy for support.

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