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Bruggeman, M.; Baeten, P.; De Boeck, W.; Carchon, R.
Proceedings for the nondestructive assay and nondestructive examination waste characterization conference. No. 51997
Proceedings for the nondestructive assay and nondestructive examination waste characterization conference. No. 51997
AbstractAbstract
[en] Neutron coincidence counting applied for the passive assay of fissile material is generally realised with dedicated electronic circuits. This paper presents a software based neutron coincidence counting method with data acquisition via a commercial PC-based Time Interval Analyser (TIA). The TIA is used to measure and record all time intervals between successive pulses in the pulse train up to count-rates of 2 Mpulses/s. Software modules are then used to compute the coincidence count-rates and multiplicity related data. This computed neutron coincidence counting (CNCC) offers full access to all the time information contained in the pulse train. This paper will mainly concentrate on the application and advantages of CNCC for the non-destructive assay of waste. An advanced multiplicity selective Rossi-alpha method is presented and its implementation via CNCC demonstrated. 13 refs., 4 figs., 2 tabs
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Lockheed Idaho Technologies Co., Idaho Falls, ID (United States); 521 p; 1997; p. 137-151; 5. nondestructive assay/nondestructive examination waste characterization conference; Salt Lake City, UT (United States); 14-16 Jan 1997; Also available from OSTI as DE97052960; NTIS; US Govt. Printing Office Dep
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