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dc.contributor.authorRANEBO Ylvaen_GB
dc.contributor.authorPÖLLÄNEN Ren_GB
dc.contributor.authorERIKSSON M.en_GB
dc.contributor.authorSIISKONEN Ten_GB
dc.contributor.authorNIAGOLOVA NEDIALKA DIMITROVAen_GB
dc.date.accessioned2012-04-17T19:51:52Z-
dc.date.available2010-12-20en_GB
dc.date.available2012-04-17T19:51:52Z-
dc.date.created2010-12-20en_GB
dc.date.issued2010en_GB
dc.date.submitted2010-04-19en_GB
dc.identifier.citationAPPLIED RADIATION AND ISOTOPES vol. 68 p. 1754-1759en_GB
dc.identifier.issn0969-8043en_GB
dc.identifier.uriwww.elsevier.com/locate/apradisoen_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC58167-
dc.description.abstractSpherical particles with known properties were used to demonstrate and test a novel software package known as AASIFIT, which is able to unfold complex alpha spectra. A unique feature of the program is that it uses simulated peak shapes in the fitting process. The experimental reference particles in the testing were artificially produced U particles of diameter 1.4 mm and a nuclear bomb particle with a twenty-fold greater diameter, mainly composed of U and Pu dioxides. AASIFIT was used to determine the density of the U particles. In addition, the activities of 239+240Pu and 241Am were determined for the nuclear bomb particle and compared to earlier determinations in the literature. The results of this investigation demonstrated that the software can be used to estimate the properties of particles emitting alpha radiation. However, the composition and geometry of the investigated particles need to be known with good accuracy for reliable estimates. Furthermore, uncertainties in the stopping power data, especially for U and Pu, may have an influence on the results obtained from the software.en_GB
dc.description.sponsorshipJRC.E.7-Nuclear Safeguards and Forensicsen_GB
dc.format.mediumPrinteden_GB
dc.languageENGen_GB
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDen_GB
dc.relation.ispartofseriesJRC58167en_GB
dc.titleApplied Radiation and Isotopesen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1016/j.apradiso.2010.02.014en_GB
JRC Directorate:Nuclear Safety and Security

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