Title: Alpha-Particle Counting and Spectrometry in a Primary Standardisation Laboratory
Citation: ACTA CHIMICA SLOVENICA vol. 55 p. 111-119
Publication Year: 2008
JRC N°: JRC41202
ISSN: 1318-0207
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC41202
Type: Articles in periodicals and books
Abstract: This paper describes the application of alpha-particle counting at a defined low solid angle and of high-resolution alpha-particle spectrometry at IRMM. These techniques are used in the frame of primary standardisations of radioactive solutions or for the determination of nuclear decay data (alpha emission probabilities and energies, half-lives). Various technical aspects are discussed, such as source preparation, instrumentation, solid angle calculations, peak shapes, fitting routines, bias of least-squares methods, off-line stability corrections, simulation of energy loss, uncertainties. The presented algorithms may also be useful for routine alpha-particle spectrometry, in particular for the assessment of its uncertainty budget.
JRC Directorate:Health, Consumers and Reference Materials

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