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Pommé S, García-Toraño E, Marouli M, et al. High-resolution alpha-particle spectrometry of ²³⁸U. Appl Radiat Isot. 2013;87:315-9doi: 10.1016/j.apradiso.2013.11.075.
Pommé, S., García-Toraño, E., Marouli, M., Crespo, M. T., Jobbágy, V., Van Ammel, R., Paepen, J., & Stroh, H. (2014). High-resolution alpha-particle spectrometry of ²³⁸U. Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 87315-9. https://doi.org/10.1016/j.apradiso.2013.11.075
Pommé, S, et al. "High-resolution alpha-particle spectrometry of ²³⁸U." Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine vol. 87 (2014): 315-9. doi: https://doi.org/10.1016/j.apradiso.2013.11.075
Pommé S, García-Toraño E, Marouli M, Crespo MT, Jobbágy V, Van Ammel R, Paepen J, Stroh H. High-resolution alpha-particle spectrometry of ²³⁸U. Appl Radiat Isot. 2014 May;87:315-9. doi: 10.1016/j.apradiso.2013.11.075. Epub 2013 Dec 01. PMID: 24355304.
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Appl Radiat Isot. 2014 May;87:315-9. doi: 10.1016/j.apradiso.2013.11.075. Epub 2013 Dec 01.

High-resolution alpha-particle spectrometry of ²³⁸U.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

S Pommé, E García-Toraño, M Marouli, M T Crespo, V Jobbágy, R Van Ammel, J Paepen, H Stroh

Affiliations

  1. European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg 111, B-2440 Geel, Belgium. Electronic address: [email protected].
  2. Laboratorio de Metrología de Radiaciones Ionizantes, CIEMAT, Avda. Complutense 22, 28040 Madrid, Spain.
  3. European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg 111, B-2440 Geel, Belgium.

PMID: 24355304 DOI: 10.1016/j.apradiso.2013.11.075

Abstract

The alpha-particle emission probabilities associated with the three main alpha transitions of (238)U were measured by high-resolution alpha-particle spectrometry. Highly enriched (238)U material was used and its isotopic composition characterised by mass spectrometry. Source production through electrodeposition was optimised to reconcile conflicting demands for good spectral resolution and statistical precision. Measurements were performed at IRMM and CIEMAT for 1-2 years in three different set-ups. A new magnet system was put into use to largely eliminate true coincidence effects with low-energy conversion electrons. Finally the accuracy and precision of the relative emission probabilities for the three transitions - 77.01 (10)%, 22.92 (10)% and 0.068 (10)%, respectively - have been improved significantly.

© 2013 Published by Elsevier Ltd.

Keywords: (238)U; Alpha-particle emission probabilities; Alpha-particle spectrometry; Decay data; Metrology

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