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Citation:

A. Thornton and W. Charlton, "Characterization of a Portable Neutron Coincidence Counter," Annual Meeting of the Institute for Nuclear Materials Management, July 8-12, 2007, Tucson, AZ.

Abstract:

Neutron coincidence counting is a technique widely used for qualitative and quantitative analysis of nuclear material. Because different isotopes possess different coincident neutron characteristics, the coincident neutron signature can be used to identify and quantify a given material. In an effort to identify unknown nuclear samples in field inspections, a new portable neutron coincidence counter has been developed. An indepth analysis has been performed to establish whether the nuclear material in an unknown sample could be quantified with some confidence. The analysis was performed by comparing the true measurements of the system to the calculated output produced using MCNPX and the neutron coincidence point model. Based on the analysis, it is evident that this new portable system can play a useful role in identifying nuclear material for verification purposes.

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Associated Project(s):

  • Safeguards Instrumentation Development for Measuring Pu via Coincident Neutron-Gamma Signals

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