Recent progress with digital coincidence counting
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Australian Nuclear Association
Abstract
Digital Coincidence Counting (DCC) is a new technique, based on the older method of analogue coincidence counting. It has been developed by ANSTO 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 a 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. The system is operational and results are now being routinely collected and analysed. Some of the early work is presented for Co-60, Na-22 and Sm-153.
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Physical copy held by ANSTO Library at DDC: 621.48/10
Keywords
Beta decay radioisotopes, Beta-minus decay radioisotopes, Beta-plus decay radioisotopes, Cobalt 60, Coincidence methods, Data acquisition systems, Data processing, Digital systems, Four-pi counting, Gamma spectra, NAI detectors, Optimization, Samarium 153, Sodium 22, Scintillation counters, Years living radioisotopes
Citation
Butcher, K. S. A., Watt, G. C., & Alexiev, D. (1999). Recent progress with digital coincidence counting. Paper presented to ANA 99 "Third Conference on Nucelar Science & Engeering, Canberra, ACT, Australia, 27-28 October 1999. In ANA Conference on Nuclear Science & Engineering in Australia, & Australian Nuclear Association. (1999). ANA 99 : third Conference on Nuclear Science & Engineering in Australia, Rydges Canberra Hotel, Canberra A.C.T. Australia, 27-28 October 1999 : conference handbook : theme, a nuclear renaissance (pp. 148-151). Canberra, ACT : Australian Nuclear Association.