Abstract
Experiments were carried out to optimize the performance of the neutron back-scattering (NBS) technique in landmine detection using an assembly consisting of three different layers placed above a 252Cf neuron source, producing about 104s−1, in conjunction with a 3He detector. The assembly was optimized experimentally. The selected assembly configuration was then examined against different 252Cf stand-off distances and mine burial depths using dummy landmines. Furthermore, Monte Carlo simulations were performed to study the effect of the shield when a 252Cf source in the range 104–107s−1 was employed, and to optimize the geometry for future prototypes.
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