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          Institute: MPI für Gravitationsphysik     Collection: Observational Relativity and Cosmology     Display Documents

ID: 403485.0, MPI für Gravitationsphysik / Observational Relativity and Cosmology
The performance of the ZEUS central tracking detector z-by-timing electronics in a transputer based data acquisition system
Authors:Foster, B.; Heath, G. P.; Llewellyn, T. J.; Gingrich, D. M.; Harnew, N.; Hallam-Baker, P. M.; Khatri, T.; McArthur, I. C.; Morawitz, P.; Nash, J.; Shield, P. D.; Topp-Jorgensen, S.; Wilson, F. F.; Allen, Bruce; Carter, R. C.; Jeffs, M. D.; Morrissey, M. C.; Quinton, S. P. H.; Lane, J. B.; Postranecky, M.
Date of Publication (YYYY-MM-DD):1993-05
Title of Journal:Nuclear Physics B - Proceedings Supplements
Start Page:181
End Page:188
Review Status:not specified
Audience:Not Specified
Abstract / Description:The Central Tracking Detector of the ZEUS experiment employs a time difference technique to measure the z coordinate of each hit. The method provides fast, three-dimensional space point measurements which are used as input to all levels of the ZEUS trigger. Such a tracking trigger is essential in order to discriminate against events with vertices lying outside the nominal electron-proton interaction region. Since the beam crossing interval of the HERA collider is 96 ns, all data must be pipelined through the front-end readout electronics. Subsequent data aquisition employs a novel technique which utilizes a network of approximately 120 INMOS transputers to process the data in parallel. The z-by-timing method and its data aquisition have been employed successfully in recording and reconstructing tracks from electron-proton interactions in ZEUS.
External Publication Status:published
Document Type:Article
Communicated by:Bruce Allen
Affiliations:MPI für Gravitationsphysik/Teilinstitut Hannover
MPI für Gravitationsphysik/Observational Relativity and Cosmology
External Affiliations:Rutherford Appleton Laboratory, Chilton Didcot, Oxon OX11 0QX, England
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