Abstract
Thermoluminescent detectors based on natural LiF are sensitive to epithermal and thermal neutrons of BNCT beams. A sensitivity reduction by a factor of 10–20 is necessary to keep the response of LiF:Mg,Ti detectors in the linear dose range. This reduction does not increase significantly the random uncertainties of gamma and neutron dose measurements (standard deviation ≈3.5 and 7%, respectively) when using LiF:Mg,Cu,P and LiF:Mg,Ti detector pairs. The alternative dosimetry method based on a single LiF:Mg,Ti detector of natural LiF and separation of the 210 and 260°C glow peaks is nearly as accurate as the two-detector method in neutron dosimetry but worse in gamma radiation dosimetry.
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