Scintillator-Based Electromagnetic Calorimeter Prototype and Beam Test Results at FNAL

A prototype Scintillator-Tungsten electromagnetic calorimeter (ScECAL) for the ILC detector was tested in 2008 at the Fermilab test beam. Data were collected with electron, pion and muon beams in the energy range 1 to 32GeV combined with hadronic calorimeter and Tail catcher. One of the main objectives of the CALICE program is to establish the technology of Scintillator-based electromagnetic calorimeter and validate the prformance of the calorimeter. From preliminary results of the first approach of analysis with electron beam, we obtain the ScECAL energy resolution σstochastic = 15.15+/-0.03% and σconstant = 1.44+/-0.02% . The deviation from the linear response is calculated to be less than 6%.

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