Large acceptance forward Cherenkov detector for the BRAHMS experiment at RHIC

B. Budick, D. Beavis, C. Chasman

    Research output: Contribution to journalArticle

    Abstract

    A multi-element detector based on Cherenkov radiation in plastic and on photomultiplier tubes has been constructed that is particularly useful in collider experiments. The detector covers the pseudorapidity interval 3.23<η<5.25 with large acceptance for the products of protonproton and heavy ion collisions. The detector's primary purposes are determining the vertex of the interaction, providing a minimum bias trigger, finding the start time for time of flight (and other timing applications), and monitoring the luminosity. Monte Carlo simulations describe the pulse height response of the detector well, as does an analytic expression that has been developed. The detector performed well in the RHIC experiment BRAHMS.

    Original languageEnglish (US)
    Pages (from-to)295-301
    Number of pages7
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume621
    Issue number1-3
    DOIs
    StatePublished - 2010

    Fingerprint

    acceptability
    Detectors
    detectors
    Experiments
    Photomultipliers
    Colliding beam accelerators
    photomultiplier tubes
    pulse amplitude
    Heavy ions
    ionic collisions
    Luminance
    apexes
    plastics
    actuators
    luminosity
    time measurement
    Plastics
    intervals
    Radiation
    Monitoring

    Keywords

    • Cheren kov detectors

    ASJC Scopus subject areas

    • Instrumentation
    • Nuclear and High Energy Physics

    Cite this

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    AU - Beavis, D.

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    AB - A multi-element detector based on Cherenkov radiation in plastic and on photomultiplier tubes has been constructed that is particularly useful in collider experiments. The detector covers the pseudorapidity interval 3.23<η<5.25 with large acceptance for the products of protonproton and heavy ion collisions. The detector's primary purposes are determining the vertex of the interaction, providing a minimum bias trigger, finding the start time for time of flight (and other timing applications), and monitoring the luminosity. Monte Carlo simulations describe the pulse height response of the detector well, as does an analytic expression that has been developed. The detector performed well in the RHIC experiment BRAHMS.

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