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



ID: 543221.0, MPI für Physik / MPI für Physik
UPDATE ON THE PERFORMANCE OF THE HERA-B VERTEX DETECTOR SYSTEM.
Authors:Abt, I.; Perschke, T.; Schaller, S.; Masciocchi, S.; Bauer, C.; Brauer, M.; Hofmann, W.; Jagla, T.; Knopfle, K. T.; Pleier, M. A.; Reeves, K.; Schmelling, M.; Schwingenheuer, B.; Sciacca, F.
Date of Publication (YYYY-MM-DD):2003
Title of Journal:Nuclear Instruments and Methods in Physics Research Section A
Journal Abbrev.:Nucl.Instrum.Meth.A
Issue / Number:511
Start Page:24
End Page:31
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:The HERA-B Vertex Detector System (VDS) is a Roman Pot system integrated into the proton ring of the HERA accelerator at DESY and serves as an independent part of the tracking system of the HERA-B forward spectrometer. The performance of the VDS meets the design specification. It is based on double-sided silicon micro-strip detectors which are operated as close as 1 cm to the beam and are thus exposed to extremely high and inhomogeneous radiation levels. At the design luminosity the peak irradiation is around 3×10^14 minimum ionizing particles per cm2 per year. Test measurements have shown adequate radiation tolerance on the required time scale of 1 year. New long-term studies presented here indicate that on periods longer than 1 year charge collection efficiencies might drop.
Classification / Thesaurus:HERA-B
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2003-159
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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