The decision taken by the CMS experiment to build a tracker entirely based on silicon detectors has made necessary the use of thicker sensors instead of the usual 300-mum sensors for the outer part of the detector. We first present results on the performance of 500-mum-thick detectors, before and after neutron irradiation, bonded to the CMS tracker front-end electronics. Laboratory measurements show that the total collected charge scales linearly with thickness when compared with a 300-mum module, and the measured noise is in good agreement with expectations. The results obtained confirm the feasibility of large-area silicon trackers.

Performance of irradiated and nonirradiated 500-mu m-thick silicon microstrip detectors

MESSINEO, ALBERTO MARIA;TONELLI, GUIDO EMILIO;
2001-01-01

Abstract

The decision taken by the CMS experiment to build a tracker entirely based on silicon detectors has made necessary the use of thicker sensors instead of the usual 300-mum sensors for the outer part of the detector. We first present results on the performance of 500-mum-thick detectors, before and after neutron irradiation, bonded to the CMS tracker front-end electronics. Laboratory measurements show that the total collected charge scales linearly with thickness when compared with a 300-mum module, and the measured noise is in good agreement with expectations. The results obtained confirm the feasibility of large-area silicon trackers.
2001
Lenzi, M; Borrello, L; Buffini, A; Busoni, S; Civinini, C; D'Alessandro, R; Dell'Orso, R; Dutta, S; Meschini, M; Messineo, ALBERTO MARIA; Segneri, G; Starodumov, A; Tonelli, GUIDO EMILIO; Verdini, Pg
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/178103
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