FIRST RESULTS FROM PION BEAM TEST OF AN IRON/GAS CALORIMETER BASED ON CERAMIC PARALLEL PLATE CHAMBERS

Abstract A prototype module of an iron/gas calorimeter based on parallel plate chambers, has been tested using high energy electrons and pions, at two high voltages, using CF 4 CO 2 ( 80 20 ) at atmospheric pressure. The collected charge and energy resolution have been measured as a function of the beam energy for both electrons and pions and compared with Monte Carlo predictions.