Reactor decay heat in 239Pu: solving the γ discrepancy in the 4-3000-s cooling period.
Phys Rev Lett
; 105(20): 202501, 2010 Nov 12.
Article
em En
| MEDLINE
| ID: mdl-21231223
ABSTRACT
The ß feeding probability of (102,104,105,106,107)Tc, 105Mo, and 101Nb nuclei, which are important contributors to the decay heat in nuclear reactors, has been measured using the total absorption technique. We have coupled for the first time a total absorption spectrometer to a Penning trap in order to obtain sources of very high isobaric purity. Our results solve a significant part of a long-standing discrepancy in the γ component of the decay heat for 239Pu in the 4-3000 s range.
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2010
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Article