The TIC — a multi-particle threshold imaging Cherenkov detector

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 ph...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 1995-12, Vol.367 (1), p.240-243
Main Authors: Fabjan, C.W., Franz, A., Piuz, F., Santiard, J.C., Spegel, M., Williams, T.D., Cherney, M., Esumi, S., Sugitate, T., Schmidt-Sorensen, J., Kubica, B., LeGuay, M., Paic, G.
Format: Article
Language:English
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Summary: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.
ISSN:0168-9002
1872-9576
DOI:10.1016/0168-9002(95)00569-2