Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
1996-07-31
Nucl.Instrum.Meth.A385:37-46,1997
Physics
High Energy Physics
High Energy Physics - Experiment
Submitted to NIM. 23 pages, 11 postscript figures. Postscript file is also available at http://w4.lns.cornell.edu/public/CLNS/
Scientific paper
10.1016/S0168-9002(96)01073-X
We discuss the design and performance of a threshold Cerenkov 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 Cerenkov 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 2.5-3.0sigma level in the momentum range 0.8-2.8 GeV/c. We predict performance for specific physics analyses using a GEANT-based simulation package.
Bartlet John
Berger Bruce
Csorna Steven
Ehrlich Richard
Jain Vivek
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