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  • Title: High-resolution alpha-particle spectrometry of the 230U decay series.
    Author: Marouli M, Pommé S, Paepen J, Van Ammel R, Jobbágy V, Dirican A, Suliman G, Stroh H, Apostolidis C, Abbas K, Morgenstern A.
    Journal: Appl Radiat Isot; 2012 Sep; 70(9):2270-4. PubMed ID: 22424835.
    Abstract:
    High-resolution alpha-particle spectrometry was performed on the (230)U decay series. A (230)U source was prepared on a stainless steel disc by electrodeposition in an ammonium nitrate solution. Spectrometry of the alpha-particle energy spectrum was performed with ion-implanted planar silicon detectors in vacuum. A set of alpha emission probabilities is presented for (230)U and (226)Th. 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 (226)Th and the main peak of (218)Rn.
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