Radioisotope identification using an energy-weighted algorithm with a proof-of-principle radiation portal monitor based on plastic scintillators

Hyun Cheol Lee, Wook geun Shin, Hyun Joon Choi, Chang Il Choi, Chang Su Park, Hong Suk Kim, Chul Hee Min

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this study, we validated the feasibility of an energy weighted algorithm that highlights a characteristic area including the Compton edge as a single peak in a proof-of-principle radiation portal monitor system with a plastic scintillator measuring 50 × 100 × 5 cm3. We measured the energy weighted spectra with steel shielding and the dynamic movements of the 137Cs and 60Co sources. The results showed that the peak locations of each source could be identified under shielded or dynamic motion conditions, each within a maximum difference of 0.08 MeV.

Original languageEnglish
Article number109010
JournalApplied Radiation and Isotopes
Volume156
DOIs
Publication statusPublished - 2020 Feb

All Science Journal Classification (ASJC) codes

  • Radiation

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