The TIC - a multi-particle threshold imaging Cherenkov detector

C. W. Fabjan, A. Franz, F. Piuz, J. C. Santiard, M. Spegel, T. D. Williams, M. Cherney, S. Esumi, T. Sugitate, J. Schmidt-Sorensen, B. Kubica, M. LeGuay, G. Paic

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Abstract

The Threshold Imaging Cherenkov (TIC) was built as part of an upgrade programme for the NA44 spectrometer in view of 160 GeV·A lead-ion beams from the CERN SPS. The detector is used to distinguish pion tracks from those of heavier particles (K, p, d) in the momentum range of 4-8 GeV/c. Cherenkov photons produced by pions in a 1 m long isobutane radiator are converted to electrons in TMAE at 25°C and detected in a MWPC with 2-dimensional cathode pad readout. A threshold is set on the number of pads hit within a fiducial zone on the cathode plane around a projected external track.

Original languageEnglish (US)
Pages (from-to)240-243
Number of pages4
JournalNuclear Inst. and Methods in Physics Research, A
Volume367
Issue number1-3
DOIs
StatePublished - Dec 11 1995

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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