Abstract:A practical method is proposed for retrospective estimation of the spatial dose distribution and the number of fissions in a typical criticality accident where there is a single radiation source in an accessible room. In this method, two kinds of low-fading and tissue-equivalent dosimeters are used as area dosimeters: an alanine dosimeter and a thermoluminescence dosimeter made of enriched lithium tetra borate ( 7 Li 2 11 B 4 O 7 ). The procedure of the method consists of four parts: (1) dosimetry using area d… Show more
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