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Open Access item Reactor Decay Heat in Pu-239: Solving the gamma Discrepancy in the 4-3000-s Cooling Period

Authors:Algora, Alejandro
Jordán Martín, Mª Dolores
Taín, José Luis
Rubio, Berta
Agramunt, Jorge
Pérez-Cerdán, Ana Belén
Molina, Francisco
Caballero Ontanaya, Luis
Nácher, Enrique
Krasznahorkay, A.
Hunyadi, M. D.
Gulyas, J.
Vitez, A.
Csatlos, M.
Csige, L.
Äystö, J.
Penttilä, H.
Moore, I.
Eronen, T.
Jokinen, A.
Nieminen, A.
Hakala, J.
Karvonen, P.
Kankainen, A.
Saastamoinen, A.
Rissanen, J.
Kessler, T.
Weber, C.
Ronkainen, J.
Rahaman, S.
Elomaa, V.
Rinta-Antila, S.
Hager, U.
Sonoda, T.
Burkard, K.
Hueller, W.
Batist, L.
Gelletly, W.
Nichols, A. L.
Yoshida, T.
Sonzogni, A. A.
Peräjärvi, K.
Issue Date:8-Nov-2010
Publisher:American Physical Society
Citation:Physical Review Letters 105 (20): 202501 (2010)
Abstract:The beta feeding probability of Tc-102,Tc- 104,Tc- 105,Tc- 106,Tc- 107, Mo-105, and Nb-101 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 gamma component of the decay heat for Pu-239 in the 4-3000 s range.
Publisher version (URL):http://dx.doi.org/10.1103/PhysRevLett.105.202501
URI:http://hdl.handle.net/10261/41817
ISSN:0031-9007
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Appears in Collections:(IFIC) Artículos

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