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Title: The D0 level three data acquisition system

Conference ·
OSTI ID:822092

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.

Research Organization:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Energy Research (ER) (US)
DOE Contract Number:
AC02-76CH03000
OSTI ID:
822092
Report Number(s):
FERMILAB-Conf-03/462-E; TRN: US0401166
Resource Relation:
Conference: 2003 Conference for Computing in High-Energy and Nuclear Physics (CHEP 03), LaJolla, CA (US), 03/24/2003--03/28/2003; Other Information: PBD: 17 Mar 2004
Country of Publication:
United States
Language:
English

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