Systematic investigation of the electromagnetic filtering effect as a tool for achieving the compensation condition in silicon hadron calorimetry

Autor: F. Lamarche, M. Bosetti, G. Salvato, M. Rattaggi, S. Pensotti, R. Paludetto, L. Vismara, A. Penzo, E. Borchi, Claude Leroy, G. Terzi, P. G. Rancoita
Rok vydání: 1993
Předmět:
Zdroj: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 332:85-90
ISSN: 0168-9002
DOI: 10.1016/0168-9002(93)90743-2
Popis: In a calorimeter with silicon readout, the use of a combination of low- Z (Fe) and high- Z (Pb) materials as absorbers allows 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 visible electromagnetic energy and consequently the value of the e/mip ratio can be substantially reduced as a function of the thickness of the high- Z (Pb) material present in the absorber. Measurements of this effect for a set of Si/Fe+Pb calorimeter configurations are presented and discussed. The filtering effect makes possible the achievement of the compensation condition.
Databáze: OpenAIRE