Deconvolution of 238,239,240Pu conversion electron spectra measured with a silicon drift detector

S. Pommé*, M. Marouli, J. Paepen, N. Marković, R. Pöllänen

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

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    Abstract

    Internal conversion electron (ICE) spectra of thin 238,239,240Pu sources, measured with a windowless Peltier-cooled silicon drift detector (SDD), were deconvoluted and relative ICE intensities were derived from the fitted peak areas. Corrections were made for energy dependence of the full-energy-peak counting efficiency, based on Monte Carlo simulations. A good agreement was found with the theoretically expected internal conversion coefficient (ICC) values calculated from the BrIcc database.
    Original languageEnglish
    JournalApplied Radiation and Isotopes
    Volume134
    Pages (from-to)233-239
    ISSN0969-8043
    DOIs
    Publication statusPublished - 2018

    Keywords

    • Isotopic ratio
    • Nuclear security
    • Plutonium
    • Safeguards
    • Silicon drift detector
    • Spectrum
    • Deconvolution

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