Abstract
To improve the characterization of the detection efficiency of a NaI(Tl) scintillation detector in the low energy range, measurements and Monte Carlo simulations were performed with a certified reference material (CRM) and disk sources. The detection efficiency as modeled. In the MCNP simulation, the detection efficiency dropped as expected at 33.17 keV. The X-ray escape correction factors of a 204Tl disk source and MCNP simulations were compared, a factor of the 204Tl was similar. Moreover, Correcting the X-ray escape and using fewer sources than the CRM resulted in better detection efficiency for the NaI(Tl) detector in the low energy range.
Original language | English |
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Article number | 110325 |
Journal | Radiation Physics and Chemistry |
Volume | 199 |
DOIs | |
State | Published - Oct 2022 |
Keywords
- Detection efficiency
- Low energy ragne
- NaI(Tl) scintillation detector
- X-ray escape