Journal
HYPERFINE INTERACTIONS
Volume 223, Issue 1-3, Pages 245-252Publisher
SPRINGER
DOI: 10.1007/s10751-012-0623-6
Keywords
Decay heat; Total absorption; Trap-assisted spectroscopy
Funding
- STFC [ST/J000051/1] Funding Source: UKRI
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The energy associated with the decay of fission products plays an important role in the estimation of the amount of heat released by nuclear fuel in reactors. In this article we present results of the study of the beta decay of some refractory isotopes that were considered important contributors to the decay heat in reactors. The measurements were performed at the IGISOL facility of the University of Jyvaskyla, Finland. In these studies we have combined for the first time a Penning trap (JYFLTRAP), which was used as a high resolution isobaric separator, with a total absorption spectrometer. The results of the measurements as well as their consequences for decay heat summation calculations are discussed.
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