HERA-B data acquisition system

Dam, M.; Egorytchev, V.; Essenov, S.; Gellrich, A.; Hansen, J. D.; Hernandez, J. M.; Medinnis, M.; Rensch, B.; Ressing, D.; Rybnikov, V.; Sanchez, F.; Schwingenheuer, B.; Wagner, G.; Wurth, R.; Zhelezov, A.; Zweizig, J.

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HERA-B data acquisition system

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Sanchez, F.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Schwingenheuer, B.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Wagner, G.
Guest Group Archaeometry, MPI for Nuclear Physics, Max Planck Society;

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Citation

Dam, M., Egorytchev, V., Essenov, S., Gellrich, A., Hansen, J. D., Hernandez, J. M., et al. (2004). HERA-B data acquisition system. Nuclear Instruments and Methods in Physics Research A, 525, 566-581. Retrieved from http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TJM-4BVPBFT-1&_coverDate=06%2F11%2F2004&_alid=231752704&_rdoc=1&_fmt=&_orig=search&_qd=1&_cdi=5314&_sort=d&view=c&_acct=C000002578&_version=1&_urlVersion=0&_userid=41881&md5=32bbb5d6226517716f70cee8f96649d7.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-8C87-C

Abstract

The HERA-B Data Acquisition System implements a 50 kHz dead-timeless readout of 500 kB events requiring unprecedented speed of storing and data processing. The system is based on Digital Signal Processors (DSP) minimizing the number of components. A high bandwidth, low-latency DSP switching network provides full connectivity between the readout buffers and a PC farm which runs the higher level trigger. The design of the system and the achieved performance are described in this paper.