An Applied Study of the Effect of Decay of Fast Neutron in Concrete

Abstract

In this paper, we conducted an applied study of an equation we had previously concluded [3], to investigate the possibility of neglecting the effect of neutron non-decay, on the flux of neutron beams transient through a large-thickness concrete sample, showing that, the probability of non-decay of neutron beam flux can’t be neglected for fast energies. This study has been used in order to benefit from a more precise designation of concrete thickness, that can be used in nuclear installations. By finding the assigning error in determination the macroscopic capture cross-section for the studied sample, at neglecting the effect of non-decay of neutron.
Keywords: fast neutron, decay neutron, macroscopic capture cross-section.