The baseline option for the very forward calorimetry in the CMS experiment is an iron/gas calorimeter based on parallel plate chambers. A small prototype module of such a calorimeter, has been tested using electrons of 5 to 100 GeV/c momentum with various high voltages and two gases: CO2 (100%) and CF4/CO2 (80/20), at atmospheric pressure. The collected charge has been measured as a function of the high voltage and of the electron energy. The energy resolution has also been measured. Comparisons have been made with Monte-Carlo predictions. Agreement between data and simulation allows to make an estimation of the expected performance of a full size calorimeter.
Electron beam test of an iron/gas calorimeter based on ceramic parallel plate chambers / A., Arefiev; G. L., Bencze; Bizzeti, Andrea; E., Choumilov; C., Civinini; F., DallaSanta; R., DAlessandro; A., Ferrando; M. C., Fouz; A., Herve; A., Iglesias; V., Ivochkin; M. I., Josa; F., Maggi; A., Malinin; M., Meschini; V., Pojidaev; E., Radermacher; J. M., Salicio. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - STAMPA. - 376:(1996), pp. 163-173. [10.1016/0168-9002(96)00277-X]
Electron beam test of an iron/gas calorimeter based on ceramic parallel plate chambers
BIZZETI, Andrea;
1996
Abstract
The baseline option for the very forward calorimetry in the CMS experiment is an iron/gas calorimeter based on parallel plate chambers. A small prototype module of such a calorimeter, has been tested using electrons of 5 to 100 GeV/c momentum with various high voltages and two gases: CO2 (100%) and CF4/CO2 (80/20), at atmospheric pressure. The collected charge has been measured as a function of the high voltage and of the electron energy. The energy resolution has also been measured. Comparisons have been made with Monte-Carlo predictions. Agreement between data and simulation allows to make an estimation of the expected performance of a full size calorimeter.
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