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Updated: Aug 8, 2026

Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident
Published on: December 14, 2017
Thermoluminescence dosimetry in mixed neutron/gamma radiation beam
M Yudelev1, S Hunter, J B Farr
1Karmanos Cancer Institute and Wayne State University, 3990 John R. Street, Detroit, MI 48201, USA. myudelev@dmc.org
Abstract:
Miniature CaF2:Tm (TLD-300) were adopted for dosimetry in a mixed neutron/gamma beam produced by the Detroit superconducting cyclotron. A method utilizing the linear relationship between the ratios of the areas under the low and high temperature peaks of the glow curve and the ratios of gamma dose to total dose (Dgamma/DT) in d(48.5)+Be fast-neutron beam was applied for both the gamma component and the total dose measurements. The detectors were grouped based on their response to uniform 60Co dose. Within each group the ratio of the peak areas of the glow curve demonstrated uniformity and stability better than 1.5% (one standard deviation). The parameters of the linear regression between the fractional gamma component in the neutron beam and the ratio of peak areas were derived from measurements at locations with predetermined Dgamma/DT. The method was applied to measure the transmission through the existing multi-rod and newly designed multi-leaf collimators.
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