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Title: A parallel pipelined dataflow trigger processor

Abstract

This paper describes a parallel pipelined data flow trigger processor which is used in Fermilab E789. E789 is an experiment to study low-multiplicity decays of particles containing b or c quarks. The processor consists of an upstream vertex processor and a downstream track processor. The algorithms which reconstruct the postulated particle paths and calculate particle origin are implemented via interconnected function-specific hardware modules. The algorithm is directly dependent upon the organization of the modules, the specific arrangement of the inter-module cabling, on-board memory data. The processor provides an indication of the presence of at least one interesting particle pair in the current event by asserting Read on its Read/Skip output. The Read assertion is then used as a trigger to capture all of the event's data for subsequent extensive off-line analysis.

Authors:
; ; ;  [1];  [2]; ;  [3]
  1. Northern Illinois Univ., De Kalb, IL (United States)
  2. Fermi National Accelerator Lab., Batavia, IL (United States)
  3. Los Alamos National Lab., NM (United States)
Publication Date:
OSTI Identifier:
5090300
Resource Type:
Journal Article
Journal Name:
IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States)
Additional Journal Information:
Journal Volume: 38:2; Journal ID: ISSN 0018-9499
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; FERMILAB ACCELERATOR; PARALLEL PROCESSING; PARTICLE DECAY; ALGORITHMS; DATA-FLOW PROCESSING; PARTICLE TRACKS; TRIGGER CIRCUITS; ACCELERATORS; CYCLIC ACCELERATORS; DECAY; ELECTRONIC CIRCUITS; MATHEMATICAL LOGIC; PROGRAMMING; PULSE CIRCUITS; SYNCHROTRONS; 440104* - Radiation Instrumentation- High Energy Physics Instrumentation; 990200 - Mathematics & Computers

Citation Formats

Lee, C, Miller, G, Kaplan, D M, Sa, J, Hsiung, Y B, Carey, T, and Jeppesen, R. A parallel pipelined dataflow trigger processor. United States: N. p., 1991. Web. doi:10.1109/23.289340.
Lee, C, Miller, G, Kaplan, D M, Sa, J, Hsiung, Y B, Carey, T, & Jeppesen, R. A parallel pipelined dataflow trigger processor. United States. https://doi.org/10.1109/23.289340
Lee, C, Miller, G, Kaplan, D M, Sa, J, Hsiung, Y B, Carey, T, and Jeppesen, R. 1991. "A parallel pipelined dataflow trigger processor". United States. https://doi.org/10.1109/23.289340.
@article{osti_5090300,
title = {A parallel pipelined dataflow trigger processor},
author = {Lee, C and Miller, G and Kaplan, D M and Sa, J and Hsiung, Y B and Carey, T and Jeppesen, R},
abstractNote = {This paper describes a parallel pipelined data flow trigger processor which is used in Fermilab E789. E789 is an experiment to study low-multiplicity decays of particles containing b or c quarks. The processor consists of an upstream vertex processor and a downstream track processor. The algorithms which reconstruct the postulated particle paths and calculate particle origin are implemented via interconnected function-specific hardware modules. The algorithm is directly dependent upon the organization of the modules, the specific arrangement of the inter-module cabling, on-board memory data. The processor provides an indication of the presence of at least one interesting particle pair in the current event by asserting Read on its Read/Skip output. The Read assertion is then used as a trigger to capture all of the event's data for subsequent extensive off-line analysis.},
doi = {10.1109/23.289340},
url = {https://www.osti.gov/biblio/5090300}, journal = {IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States)},
issn = {0018-9499},
number = ,
volume = 38:2,
place = {United States},
year = {Mon Apr 01 00:00:00 EST 1991},
month = {Mon Apr 01 00:00:00 EST 1991}
}