Multiple-coincidence interrogation of fissionables

J. P. Hurley; R. P. Keegan; J. R. Tinsley; R. Trainham

doi:10.1117/12.821343

6 May 2009 Multiple-coincidence interrogation of fissionables

J. P. Hurley, R. P. Keegan, J. R. Tinsley, R. Trainham

Proceedings Volume 7324, Atmospheric Propagation VI; 73240X (2009) https://doi.org/10.1117/12.821343
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

The multiple coincidence technique uses 14.1 MeV neutrons to produce (n, multiple-γ) coincidences to detect fissile and fissionable materials. Measurements of n-γ-γ coincidences with targets of depleted uranium (DU), W, and Pb, show that the counting rate for the DU is substantially above that for the non-fissionables. Also, the data involving prompt neutrons and delayed gammas in the DU time spectra provide a signature for fissionables that is distinct from that of non-fissionables.

Citation Download Citation

J. P. Hurley, R. P. Keegan, J. R. Tinsley, and R. Trainham "Multiple-coincidence interrogation of fissionables", Proc. SPIE 7324, Atmospheric Propagation VI, 73240X (6 May 2009); https://doi.org/10.1117/12.821343

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