Verification of the digital discrimination of neutrons and γ rays using pulse gradient analysis by digital measurement of time of flight

M. D. Aspinall, B. D'Mellow, R. O. Mackin, M. J. Joyce, N. P. Hawkes, D. J. Thomas, Z. Jarrah, A. J. Peyton, P. J. Nolan, A. J. Boston

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The discrimination of neutron and γ-ray events in an organic scintillator with the pulse gradient analysis (PGA) method is verified against that achieved via the digital measurement of time of flight (TOF). Events arising from the 7Li (p, n) 7Be reaction have been detected with an LS-301 organic liquid scintillator and recorded with a fast digital sampling oscilloscope. Both qualitative (via the cross-referencing of scatter diagrams) and quantitative (via the neutron/γ-ray ratio) comparisons are reported. Discrimination afforded by the PGA method is observed to be consistent with that achieved by digital TOF. © 2007 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)432-438
    Number of pages6
    JournalNuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
    Volume583
    Issue number2-3
    DOIs
    Publication statusPublished - 21 Dec 2007

    Keywords

    • Digital
    • Liquid scintillators
    • Pulse-shape discrimination
    • Time of flight

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