D0 data acquisition design
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:5948661
The new generation of colliding beam experiments require new and more powerful systems for data acquisition. The D0 experiment at Fermilab's Tevatron-I employs a multi-level trigger system to reduce the primary interaction rate of 50 KHz. to an event recording rate of 1-2 Hz. We describe the D0 acquisition system, focusing primarily on the second level, which is based on a large parallel array of MicroVAX-II's. Data flows from the detector readout crates at a maximum rate of 320 Mbytes/sec into dual-port memories associated with one selected processor in which a VAXELN based program performs the filter analysis of a complete event.
- Research Organization:
- Physics Dept., Brown University, Providence, RI
- OSTI ID:
- 5948661
- Report Number(s):
- CONF-850579-; TRN: 86-013439
- Journal Information:
- IEEE Trans. Nucl. Sci.; (United States), Vol. NS-32:4; Conference: 4. topical conference on computerized data acquisition in particle and nuclear physics, Chicago, IL, USA, 19 May 1985
- Country of Publication:
- United States
- Language:
- English
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430303* - Particle Accelerators- Experimental Facilities & Equipment
DATA ACQUISITION SYSTEMS
DESIGN
FERMILAB TEVATRON
ARRAY PROCESSORS
DATA ACQUISITION
DEC COMPUTERS
DIGITAL FILTERS
HZ RANGE
MICROPROCESSORS
PARALLEL PROCESSING
ACCELERATORS
COMPUTERS
CYCLIC ACCELERATORS
ELECTRONIC CIRCUITS
FREQUENCY RANGE
MICROELECTRONIC CIRCUITS
PROGRAMMING
SYNCHROTRONS
430303* - Particle Accelerators- Experimental Facilities & Equipment