Development of a lithium fluoride zinc sulfide based neutron multiplicity counter

Christian Cowles, Spencer Behling, Phoenix Baldez, Micah Folsom, Richard Kouzes, Vladislav Kukharev, Azaree Lintereur, Sean Robinson, Edward Siciliano, Sean Stave, Patrick Valdez

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    The feasibility of a full-scale lithium fluoride zinc sulfide (LiF/ZnS) based neutron multiplicity counter has been demonstrated. The counter was constructed of modular neutron detecting stacks that each contain five sheets of LiF/ZnS interleaved between six sheets of wavelength shifting plastic with a photomultiplier tube on each end. Twelve such detector stacks were placed around a sample chamber in a square arrangement with lithiated high-density polyethylene blocks in the corners to reflect high-energy neutrons and capture low-energy neutrons. The final system design was optimized via modeling and small-scale test. Measuring neutrons from a 252Cf source, the counter achieved a 36% neutron detection efficiency (ϵ) and an 11.7μs neutron die-away time (τ) for a doubles figure-of-merit (ϵ2∕τ) of 109. This is the highest doubles figure-of-merit measured to-date for a 3He-free neutron multiplicity counter.

    Original languageEnglish (US)
    Pages (from-to)59-63
    Number of pages5
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume887
    DOIs
    StatePublished - Apr 11 2018

    Fingerprint

    Zinc sulfide
    lithium fluorides
    zinc sulfides
    neutron counters
    Neutrons
    Lithium
    neutrons
    figure of merit
    counters
    photomultiplier tubes
    systems engineering
    polyethylenes
    Photomultipliers
    plastics
    High density polyethylenes
    chambers
    energy
    Systems analysis
    detectors
    Plastics

    All Science Journal Classification (ASJC) codes

    • Nuclear and High Energy Physics
    • Instrumentation

    Cite this

    Cowles, Christian ; Behling, Spencer ; Baldez, Phoenix ; Folsom, Micah ; Kouzes, Richard ; Kukharev, Vladislav ; Lintereur, Azaree ; Robinson, Sean ; Siciliano, Edward ; Stave, Sean ; Valdez, Patrick. / Development of a lithium fluoride zinc sulfide based neutron multiplicity counter. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2018 ; Vol. 887. pp. 59-63.
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    Development of a lithium fluoride zinc sulfide based neutron multiplicity counter. / Cowles, Christian; Behling, Spencer; Baldez, Phoenix; Folsom, Micah; Kouzes, Richard; Kukharev, Vladislav; Lintereur, Azaree; Robinson, Sean; Siciliano, Edward; Stave, Sean; Valdez, Patrick.

    In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 887, 11.04.2018, p. 59-63.

    Research output: Contribution to journalArticle

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    AU - Cowles, Christian

    AU - Behling, Spencer

    AU - Baldez, Phoenix

    AU - Folsom, Micah

    AU - Kouzes, Richard

    AU - Kukharev, Vladislav

    AU - Lintereur, Azaree

    AU - Robinson, Sean

    AU - Siciliano, Edward

    AU - Stave, Sean

    AU - Valdez, Patrick

    PY - 2018/4/11

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