Digital signal processing and zero-dead-time counting

M. Blaauw; R. Fleming; R. Keyser

doi:10.1023/a:1010603403264

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 248: Issue 2

Digital signal processing and zero-dead-time counting

Authors:

M. Blaauw

M. Blaauw Delft University of Technology Interfaculty Reactor Institute Mekelweg 15 2629 JB Delft The Netherlands

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R. Fleming

R. Fleming University of Michigan 2355 Bonisteel Blvd Ann Arbor MI 48109-2104 USA

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R. Keyser

R. Keyser Perkin Elmer Instruments, Inc. ORTEC 801 South Illinois Avenue Oak Ridge TN 37831 USA

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Pages:: 309–313

Online Publication Date:: 29 Oct 2004

Publication Date:: 17 May 2001

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1010603403264

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Abstract

One of the most recent developments in equipment for high and/or varying count rates, as encountered in the gamma-ray spectrometry needed for INAA via short-lived radionuclides, is the advent of EG&G Ortec's DSPECplus. This all-in-one apparatus provides digital signal processing and zero-dead-time counting. One such DSPEC unit was tested at IRI with respect to performance as a function of count rate. Optimum parameter settings for different applications were established. It is concluded that this spectrometer allows for measurements with count rates up to at least 10⁵ cps with an accuracy of a few percent (depending on the calibration approach), a peak position stability of 5.10^-3%. and a peak width stability of 5%. It is also concluded that the normal spectrum provides a good estimate for the uncertainties in the zero-dead-time spectrum acquired with this spectrometer.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)