The D0 level three data acquisition system

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Description

The DZERO experiment located at Fermilab has recently started RunII with an upgraded detector. The RunII physics program requires the Data Acquisition to readout the detector at a rate of 1 KHz. Events fragments, totaling 250 KB, are readout from approximately 60 front end crates and sent to a particular farm node for Level 3 Trigger processing. A scalable system, capable of complex event routing, has been designed and implemented based on commodity components: VMIC 7750 Single Board Computers for readout, a Cisco 6509 switch for data flow, and close to 100 Linux-based PCs for high-level event filtering.

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52 Kilobytes pages

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al., D. Chapin et March 17, 2004.

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Description

The DZERO experiment located at Fermilab has recently started RunII with an upgraded detector. The RunII physics program requires the Data Acquisition to readout the detector at a rate of 1 KHz. Events fragments, totaling 250 KB, are readout from approximately 60 front end crates and sent to a particular farm node for Level 3 Trigger processing. A scalable system, capable of complex event routing, has been designed and implemented based on commodity components: VMIC 7750 Single Board Computers for readout, a Cisco 6509 switch for data flow, and close to 100 Linux-based PCs for high-level event filtering.

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52 Kilobytes pages

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  • 2003 Conference for Computing in High-Energy and Nuclear Physics (CHEP 03), LaJolla, CA (US), 03/24/2003--03/28/2003

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  • Report No.: FERMILAB-Conf-03/462-E
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 822092
  • Archival Resource Key: ark:/67531/metadc780554

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  • March 17, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Aug. 4, 2016, 7:42 p.m.

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al., D. Chapin et. The D0 level three data acquisition system, article, March 17, 2004; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc780554/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.