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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents

ID: 544772.0, MPI für Physik / MPI für Physik
Performance of a DEPFET pixel system for particle detection
Authors:Trimpl, M.; Andricek, L.; Fischer, P.; Kohrs, R.; Krüger, H.; Lutz, L.; Moser, H. G.; Peric, I.; Reuen, L.; Richter, R. H.; Sandow, C.; Strüder, L.; Treis, J.; Törne, E. v.; Velthuis, J. J.; Wermes, N.
Date of Publication (YYYY-MM-DD):2006
Title of Journal:Nuclear Instruments and Methods in Physics Research Section A
Journal Abbrev.:Nucl.Instrum.Meth.A
Issue / Number:568
Start Page:201
End Page:206
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Driven by the requirements of the ILC (International Linear Collider) vertex detector, a prototype system based on DEPFET pixels
has been developed. The system utilizes a 64 _ 128 pixel matrix with 28:5 _ 36 mm2 pixels, operated by dedicated chips for fast steering
and readout. This paper will report on results for X-ray detection in the energy range between 6 and 40 keV. In addition, the system has
been operated in a test beam and first results using the 6GeV electron beam at the DESY synchrotron will be presented. The observed
noise performance of the system will be compared with calculations. It will be shown that a noise figure of below ENC ¼ 100 e_ is
achievable with DEPFET pixels for the ILC application leading to a signal-to-noise ratio of S=N440 for sensors as thin as 50 mm.
Classification / Thesaurus:Semiconductor Detectors
External Publication Status:published
Document Type:Conference-Paper
Communicated by:N.N.
Affiliations:MPI für Physik
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