The KLOE electromagnetic calorimeter
1998
Test beam results of a full scale barrel prototype of the KLOE electromagnetic calorimeter satisfied the experimental requirements, so initiating the calorimeter mass production. At the Frascati National Laboratory of INFN a test stand was set up to use cosmic rays for quality control and first calibrations of the modules produced in mass construction. The results show that the fibers and photomultipllers performances exceed our expectations. Combining cosmic rays and test beam measurements a time resolution of 55 ps/√E(GeV) and an energy resolution of 4.7%/√E(GeV) are expected for electromagnetic showers. The end of modules assembling and calibration is foreseen for the early 1997.
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