The ATLAS FTK system

How to improve the physics potential with a tracking trigger

Tomoya Iizawa, ATLAS Collaboration

    Research output: Contribution to journalArticle

    Abstract

    After a very successful data taking run, the ATLAS experiment is being upgraded to cope with the higher luminosity and higher center of mass energy that the Large Hadron Collider (LHC) will provide in the next years. The Fast Tracker (FTK) trigger system, part of the ATLAS trigger upgrade program, is a highly parallel hardware device processor based on a mixture of advanced technologies. FTK provides global track reconstruction in the full inner silicon detector, with resolution comparable to the offline algorithms, in approximately 100 microseconds, allowing a fast and precise detection of the primary and secondary vertex information. The track and vertex information is then used by the high-level trigger algorithms, allowing highly improved trigger performance for the most difficult signatures, such as b-jets. The expected physics performance of FTK in the harsh environment at high pile-up and high luminosities at LHC Run2 are presented.

    Original languageEnglish
    Pages (from-to)2521-2523
    Number of pages3
    JournalNuclear and Particle Physics Proceedings
    Volume273-275
    DOIs
    Publication statusPublished - 2016 Apr 1

    Fingerprint

    actuators
    physics
    apexes
    luminosity
    piles
    center of mass
    central processing units
    hardware
    signatures
    detectors
    silicon
    energy

    Keywords

    • Associative Memory
    • ATLAS trigger upgrade
    • Fast Tracker
    • FPGA
    • LHC Run2

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    The ATLAS FTK system : How to improve the physics potential with a tracking trigger. / Iizawa, Tomoya; ATLAS Collaboration.

    In: Nuclear and Particle Physics Proceedings, Vol. 273-275, 01.04.2016, p. 2521-2523.

    Research output: Contribution to journalArticle

    Iizawa, Tomoya ; ATLAS Collaboration. / The ATLAS FTK system : How to improve the physics potential with a tracking trigger. In: Nuclear and Particle Physics Proceedings. 2016 ; Vol. 273-275. pp. 2521-2523.
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