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Título : Reactor Decay Heat in Pu-239: Solving the gamma Discrepancy in the 4-3000-s Cooling Period
Autor : 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.
Fecha de publicación : 8-Nov-2010
Editor: American Physical Society
Resumen: 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.
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ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.105.202501
Citación : Physical Review Letters 105 (20): 202501 (2010)
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