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A portable measurement system for subcriticality measurements by the CF-source-driven neutron noise analysis method

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3 Author(s)
J. T. Mihalczo ; Oak Ridge Nat. Lab., TN, USA ; G. E. Ragan ; E. E. Blakeman

A description is given of a portable measurement system consisting of a personal computer used as a Fourier analyzer and three detection channels (with associated electronics that provide the signals to signal-to-digital converters) that has been assembled to measure subcriticality by the /sup 252/Cf-source-driven neutron noise analysis method. The system contains a parallel-plate ionization chamber containing /sup 252/Cf, and two /sup 3/He proportional counters. It is capable of sampling signals at rates up to 80 kHz and processing these data at rates (to form the appropriate spectra) of 2 kHz.<>

Published in:

IEEE Transactions on Nuclear Science  (Volume:35 ,  Issue: 1 )