Abstract
The response of a cylindrical 3 in.×3 in. (height×diameter) LaBr 3:Ce detector was measured for low energy prompt gamma-rays from boron and cadmium contaminated water samples using a newly designed portable neutron generator-based Prompt Gamma Neutron Activation Analysis (PGNAA) setup. Prompt gamma-rays were measured from water samples contaminated with 0.031, 0.125, 0.250 and 0.5 wt% boron and 0.0625, 0.125, 0.250 and 0.500 wt% cadmium. The experimental yield of boron and cadmium prompt gamma-rays measured with the LaBr 3:Ce detector based PGNAA setup were compared with the results of Monte Carlo calculations. An excellent agreement between the experimental and calculated yields of 478 keV gamma-ray from boron and 558 keV gamma-rays from cadmium from boron and cadmium contaminated water samples, indicate an excellent response of the LaBr 3:Ce detector for the low energy prompt gamma-rays.
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