Compensation studies with an Si calorimeter

E Borchi,A Seidman,R Macii,A Penzo,A Villari,S Pensotti,P.G Rancoita,C Leroy,F Lamarche,L Ramello,M Pisani,L Vismara,C Furetta,P Giubellino,L Riccati,G Terzi,R Paludetto,G Salvato

doi:10.1109/nssmic.1991.258873

Compensation studies with an Si calorimeter

E Borchi, A Seidman + Show 16 more

https://doi.org/10.1109/nssmic.1991.258873

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Publication Date: Nov 2, 1991

Affiliation: INFN Sezione di Trieste, University of Trieste, University of Milan, Université de Montréal, University of Turin, INFN Sezione di Torino, European University of Rome

#Silicon Readout #Critical Energies + Show 8 more

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Abstract

In a calorimeter with silicon readout, the use of a combination of low-Z (Fe) and high-Z (Pb) materials as absorbers enables the transformation of the electron energy distribution of the incident showers in two media with different critical energies via the filtering effect. As a result, the electromagnetic energy and consequently the e/MIP ratio value can be substantially reduced as a function of the thickness of high-Z (Pb) material present in the absorber, making it possible to tune the e/ pi ratio and making possible the achievement of the compensation condition e/ pi =1. >

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