Fast Tracker: A hardware real time track finder for the ATLAS trigger system

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Abstract

The Fast Tracker (FTK) is an integral part of the trigger upgrade program of the ATLAS detector at the Large Hadron Collider (LHC). As the LHC luminosity approaches its design level of 1034 cm-2s-1, the combinatorial problem posed by charged particle tracking becomes increasingly difficult due to the swelling of multiple interactions per bunch crossing. The FTK is a highly-parallel hardware system intended to provide high-quality tracks with transverse momentum above 1 GeV in real time for online trigger system. The FTK system's design, based on a mixture of advanced technologies, and the expected physics performance will be presented.

Original languageEnglish
Article numberC04012
JournalJournal of Instrumentation
Volume9
Issue number4
DOIs
Publication statusPublished - 2014 Apr

Keywords

  • Trigger algorithms
  • Trigger concepts and systems (hardware and software)

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

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