The central track trigger of the dØ experiment

Yuan Hu, John Anderson, Robert Angstadt, Levan Babukhadia, Mrinmoy Bhattacharjee, Gerald Blazey, Fred Borcherding, Brian Connolly, Michael Cooke, Satish Desai, David Evans, Paul Grannis, Stefan Grünendahl, Carsten Hensel, Vivek Jain, Marvin Johnson, Miroslav Kopal, Stephan Linn, Juan Lizarazo, Yurii MaravinManuel Martin, Yildirim Mutaf, Garsten Nöding, Jamieson Olsen, Ricardo Ramirez-Gomez, Stefano Rapisarda, Kyle Stevenson, Makoto Tomoto, Brigitte Vachon, Thei Wijnen, Neal Wileer, Graham Wilson, Qichun Xu, Kin Yip

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The general purpose DØ collider detector, located at Fermi National Accelerator Laboratory, is operated in the high luminosity (L = 2 × 1032 cm-2 · s-1) and high-collision-rate environment (396 ns between beam crossings) of the upgraded Tevatron proton anti-proton accelerator. DØ uses a three-tiered trigger system to select events for offline storage and analysis. This paper describes the architecture and performance of the DØ central track trigger (CTT) system based on the new central fiber tracker, central preshower and forward preshower detectors, with emphasis on the interface to and integration with the second tier L2 Trigger system.

Original languageEnglish (US)
Pages (from-to)2368-2372
Number of pages5
JournalIEEE Transactions on Nuclear Science
Issue number5 I
StatePublished - Oct 2004


  • Fiber tracker
  • Particle detector
  • Trigger


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