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Abstract

The different passive neutron coincidence measurement techniques used by the Euratom Safeguards Directorate are reviewed. The inventory of non-destructive assay instrumentation is presented, as are their different material and instrument-specific calibrations. The principle of unique material-specific calibrations for a given instrument type is described. A series of more than 300 assay results using one specific High Level Neutron Coincidence Counter (HLNCC-II) is shown and discussed in detail. A systematic analysis of the different sources of error in performing passive neutron coincidence measurements is presented.

Additional information

Authors: SWINHOE M, CEC Luxembourg (LU);VAN DER STRAAT F, CEC Luxembourg (LU);SMITH B G R, CEC Luxembourg (LU);VERRECCHIA G P D, CEC Luxembourg (LU);VANDERGUCHT A, CEC Luxembourg (LU)
Bibliographic Reference: Paper presented: 13th ESARDA Symposium, Avignon (FR), May 14-16, 1991
Availability: Available from (1) as Paper EN 36312 ORA
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