Background reduction at DTU Nutech surface gamma laboratory

Nikola Marković*, Per Roos, Sven Poul Nielsen, Xiao Xiao Cai

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

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    Sources of background and background variation in a BEGe type HPGe detector located in a surface laboratory were identified. Different strategies for background reduction were applied. A cosmic veto was installed, and optimised using a digital acquisition system in list-mode with time-stamped data. This resulted in the reduction of total background by a factor of 1.4. Thermal and fast neutron fluxes were also calculated. The radon induced background component and its variation were significantly reduced.
    Original languageEnglish
    JournalApplied Radiation and Isotopes
    Pages (from-to)30-38
    Publication statusPublished - 2019


    • Anticoincidence
    • Cosmic veto
    • Gamma spectrometry
    • HPGe detector
    • Low-level

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