A new prototype of large area (20 x 20 mm(2)) monolithic silicon telescope with an ultrathin Delta E stage (1 Gun) has been built and tested. A particular mask for the ground electrode has been developed to improve the charge collection reducing the induction between the E and Delta E stages. A special designed preamplifier has been used for the readout of the signal from the Delta E stage to overcome the problem of the large input capacitance (40 nF). A rather low energy threshold charge discrimination has been obtained. Small side effects due to the electric field deformation near the ground electrode were observed and quantified. (C) 1999 Elsevier Science B.V. All rights reserved.
A new prototype of large area (20 x 20 mm(2)) monolithic silicon telescope with an ultrathin Delta E stage (1 Gun) has been built and tested. A particular mask for the ground electrode has been developed to improve the charge collection reducing the induction between the E and Delta E stages. A special designed preamplifier has been used for the readout of the signal from the Delta E stage to overcome the problem of the large input capacitance (40 nF). A rather low energy threshold charge discrimination has been obtained. Small side effects due to the electric field deformation near the ground electrode were observed and quantified. (C) 1999 Elsevier Science B.V. All rights reserved.
A new large area monolithic silicon telescope
TUDISCO, SALVATORE;MUSUMARRA, Agatino;Rizzo F;
1999-01-01
Abstract
A new prototype of large area (20 x 20 mm(2)) monolithic silicon telescope with an ultrathin Delta E stage (1 Gun) has been built and tested. A particular mask for the ground electrode has been developed to improve the charge collection reducing the induction between the E and Delta E stages. A special designed preamplifier has been used for the readout of the signal from the Delta E stage to overcome the problem of the large input capacitance (40 nF). A rather low energy threshold charge discrimination has been obtained. Small side effects due to the electric field deformation near the ground electrode were observed and quantified. (C) 1999 Elsevier Science B.V. All rights reserved.| File | Dimensione | Formato | |
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