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2020 Article Detectors Dosimetry ICNCT18 Physics Special Issue(ARI)

Measurement of gamma-ray dose and neutron activation in BNCT beams using TLD-200

Applied Radiation and Isotopes, 2020

Authors:   Tsai W.-C., Yang Z.-Y., Lee S.-C., Jiang S.-H.
Journal: Applied Radiation and Isotopes
https://doi.org/10.1016/j.apradiso.2020.109146
Abstract: In this work TLD-200 (CaF2:Dy) chips were used to measure the gamma-ray doses in a PMMA phantom exposed to the BNCT beam at Tsing Hua Open-pool Reactor (THOR). The self-irradiation component induced by the decay of Dy-165 was corrected. The neutron dose contamination was less than 0.3%. The Dy content in the TLD-200 chip was determined by using the modified absolute calibration method of NAA. The self-irradiation TL signal was also applied for the in situ calibration.

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