Title: Characterization of PuBe nuetron sources by calorimetry and neutron assay
Authors: BAGI JANOSPEDERSEN BentTAGZIRIA HamidLakosi L.NGUYEN Cong-Tam
Citation: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS vol. 305 p. 40-44
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2013
JRC N°: JRC88977
ISSN: 0168-583X
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC88977
DOI: 10.1016/j.nimb.2013.04.032
Type: Articles in periodicals and books
Abstract: In order to support and refine in-field NDA methods developed for the assay of PuBe sources the heat power of a set of such sources is measured by a heat-flow calorimeter. The Pu isotopic composition of the sources was determined by gamma spectrometry. By combining these two measurements the Pu mass of the sources was determined. In addition, the actual neutron output of the sources was also measured using a calibrated neutron coincidence counter. The measurement campaign resulted in a set of well-characterized PuBe sources, which can be used as secondary standard calibration sources.
JRC Directorate:Nuclear Safety and Security

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