Abstract

The thermoluminescence (TL) properties of pegmatite samples, which were collected from Rod El-Liqah, Eastern Desert of Egypt, have been studied. Two main glow peaks were found, at about 235 and 310°C. TL response for β- as well as γ-rays have been studied. Good response was obtained for the two peaks with a sensitivity of 430, 220 nC/Gy · g for β and 1400, 300 nC/Gy · for γ. The TL sensitivity of pegmatite for γ-dose was enhanced by a factor of 6 times its original value using the sensitization method in which the sample is cooled in ice.

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