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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/41817
Title: 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 Palacios, Francisco Gabriel; 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
DOI: 10.1103/PhysRevLett.105.202501
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