Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8208822 | Applied Radiation and Isotopes | 2018 | 19 Pages |
Abstract
Accurate measurements were performed of the photon emission probabilities following the α decay of 235U to 231Th. Sources of highly enriched 235U were characterised in terms of isotopic composition by mass spectrometry and their activities were standardised by means of alpha-particle counting at a low defined solid angle. The standardised sources were subsequently measured by high-resolution γ-ray spectrometry with calibrated high-purity germanium detectors to determine the photon emission probabilities. Four laboratories participated in this work and reported emission probabilities for 33 γ-ray lines. Most of them agree with previously published evaluated data. In addition, new values are proposed for γ-lines which have been measured only once in the past.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Radiation
Authors
M. Marouli, G. Lutter, S. Pommé, R. Van Ammel, M. Hult, S. Richter, R. Eykens, V. Peyrés, E. GarcÃa-Toraño, P. Dryák, M. Mazánová, P. Carconi,