Active coded aperture neutron imaging

  title={Active coded aperture neutron imaging},
  author={Peter Anthony Marleau and James Andrew Brennan and Erik Brubaker and Nathan R. Hilton and John B. Steele},
  journal={2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC)},
Because of their penetrating power, energetic neutrons and gamma rays (>~1 MeV) offer the best possibility of detecting highly shielded or distant special nuclear material (SNM). Of these, fast neutrons offer the greatest advantage due to their very low and well understood natural background. We are investigating a wholly new approach to fast-neutron imaging-an active coded-aperture system that uses a coded mask composed of neutron detectors. The only previously demonstrated method for long… CONTINUE READING


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