Title: Comparison of Digital and Analogue Data Acquisition Systems for Nuclear Spectroscopy
Authors: AL-ADILI ALIHAMBSCH Franz-JosefOBERSTEDT StephanPOMP S.ZEYNALOV Sh.
Citation: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT vol. 624 no. 3 p. 684-690
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2010
JRC Publication N°: JRC61186
ISSN: 0168-9002
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC61186
DOI: 10.1016/j.nima.2010.09.126
Type: Articles in Journals
Abstract: In the present investigation the performance of digital data acquisition (DA) and analogue data acquisition (AA) systems are compared in neutron-induced fission experiments. The DA results are practically identical to the AA results in terms of angular-, energy- and mass resolution, and both compare very well with literature data. However, major advantages were found with the digital techniques. DA allows for a very effcient alpha-particle pile-up correction. This is important when considering the accurate measurement of fission-fragment characteristics of highly alpha-active actinide isotopes relevant for the safe operation of generation IV reactors and the successful reduction of long-lived radioactive nuclear waste. In case of a strong alpha-emitter, when applying the alpha-particle pile-up correction, the peak-to-valley ratio of the energy distribution was improved. In addition, DA offers a very exible expanded off-line analysis and reduces the number of electronic-modules drastically, leading to an increased stability against electronic drifts when long measurement times are required.
JRC Institute:Institute for Reference Materials and Measurements

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