Calorimeter trigger system for the ISR axial-field spectrometer

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A fast and flexible trigger processor system designed to run in parallel up to 51 different types of trigger is used in a large hadron calorimeter experiment at CERN-ISR. A very fast data bus connected to 255 10 bit address ECL memory chips allows programmable selection of events according to their topology and energy pattern in less than 150 ns. In addition this system can interrogate two programmable processors (ESOP) to isolate events characterized by a large energy flow in the central drift chamber (< 500 ..mu..s). All functions of the trigger processor can be checked externally by a computer ... continued below

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Pages: 7

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Creator: Unknown. January 1, 1981.

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Description

A fast and flexible trigger processor system designed to run in parallel up to 51 different types of trigger is used in a large hadron calorimeter experiment at CERN-ISR. A very fast data bus connected to 255 10 bit address ECL memory chips allows programmable selection of events according to their topology and energy pattern in less than 150 ns. In addition this system can interrogate two programmable processors (ESOP) to isolate events characterized by a large energy flow in the central drift chamber (< 500 ..mu..s). All functions of the trigger processor can be checked externally by a computer through injecting in parallel simulated input signals into various stages of the system. Salient features and performances will be discussed.

Physical Description

Pages: 7

Notes

NTIS, PC A02/MF A01.

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  • Conference on the application of microprocessors to high energy physics experiments, Geneva, Switzerland, 4 May 1981

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  • Other: DE82004799
  • Report No.: BNL-30201
  • Report No.: CONF-810539-11
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 5685751
  • Archival Resource Key: ark:/67531/metadc1093711

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1981

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • April 24, 2018, 11:45 a.m.

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Calorimeter trigger system for the ISR axial-field spectrometer, article, January 1, 1981; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1093711/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.