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|Title:||High-resolution alpha-particle spectrometry of the 230U decay series|
|Authors:||MAROULI MARIA; POMME Stefaan; PAEPEN Jan; VAN AMMEL Raf; JOBBAGY VIKTOR; DIRICAN ABDULLAH; SULIMAN GABRIEL; STROH HEIKO; APOSTOLIDIS Christos; ABBAS Kamel; MORGENSTERN Alfred|
|Citation:||APPLIED RADIATION AND ISOTOPES vol. 70 no. 9 p. 2270-2274|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Type:||Articles in periodicals and books|
|Abstract:||High-resolution alpha-particle spectrometry was performed on the 230U decay series. A 230U source was prepared on stainless steel disk by electrodeposition in an ammonium nitrate solution. Spectrometry of the alpha-particle energy spectrum was performed with ionimplanted planar silicon detectors in vacuum. A set of alpha emission probabilities is presented for 230U and 226Th. The measured peak intensities were corrected mathematically for coincidental detection of alpha-particles and conversion electrons emitted in the same decay. A good agreement with literature data was observed. The uncertainty budget and the correlation matrix are presented. The validity of the alpha-particle energies was tested and could be confirmed for most peaks within a few keV, but discrepancies were found for the 2nd peak of 226Th and the main peak of 218Rn.|
|JRC Directorate:||Health, Consumers and Reference Materials|
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