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dc.contributor.authorButcher, KSA-
dc.contributor.authorWatt, GC-
dc.contributor.authorAlexiev, D-
dc.contributor.authorvan der Gaast, H-
dc.contributor.authorDavies, JB-
dc.contributor.authorMo, L-
dc.contributor.authorWyllie, HA-
dc.contributor.authorKeightley, JD-
dc.contributor.authorSmith, D-
dc.contributor.authorWoods, MJ-
dc.identifier.citationButcher, K. S. A., Watt, G. C., Alexiev, D., van der Gaast, H., Davies, J., Mo, L., Wyllie, H. A., Keightley, J. D. Smith, D., & Woods, M. J. (2000). Digital coincidence counting - initial results. Nuclear Instruments & Methods in Physics Research Section a-Accelerators, Spectrometers, Detectors and Associated Equipment, 450(1), 30-34. doi:10.1016/S0168-9002(00)00249-7en_AU
dc.description.abstractDigital Coincidence Counting (DCC) is a new technique in radiation metrology, based on the older method of analogue coincidence counting. It has been developed by the Australian Nuclear Science and Technology Organisation (ANSTO), in collaboration with the National Physical Laboratory (NPL) of the United Kingdom, as a faster more reliable means of determining the activity of ionising radiation samples. The technique employs a dual channel analogue-to-digital converter acquisition system for collecting pulse information from a 4π beta detector and an NaI(Tl) gamma detector. The digitised pulse information is stored on a high-speed hard disk and timing information for both channels is also stored. The data may subsequently be recalled and analysed using software-based algorithms. In this letter we describe some recent results obtained with the new acquistion hardware being tested at ANSTO. The system is fully operational and is now in routine use. Results for 60Co and 22Na radiation activity calibrations are presented, initial results with 153Sm are also briefly mentioned. © 2000, Elsevier Ltd.en_AU
dc.subjectCounting techniquesen_AU
dc.subjectCoincidence methodsen_AU
dc.subjectUK National Physical Laboratoryen_AU
dc.subjectIonizing radiationsen_AU
dc.subjectAnalog-to-digital convertersen_AU
dc.titleDigital coincidence counting - initial resultsen_AU
dc.typeJournal Articleen_AU
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