Av. Dolgopolov et al., Results of a beam test of the combined lead glass and PWO cells detector for the COMPASS electromagnetic calorimeter, NUCL INST A, 420(1-2), 1999, pp. 20-28
Results of a beam test of the combined PWO (20 x 20 x 200 mm(3) in size) an
d lead glass (38 x 38 x 450 mm(3) in size) cells for a COMPASS electromagne
tic calorimeter prototype are described. The dependence of total energy dep
osited in a combined calorimeter as a function of distance L between front
faces of lead glasses and PWO cells has been measured for electrons of diff
erent energies. An optimal value for L is obtained. The energy resolution i
s measured for the combined calorimeter. The position accuracy is estimated
. The comparison of the measured characteristics of the calorimeter prototy
pe with Monte Carlo simulation results is shown. (C) 1999 Elsevier Science
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