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Excitation functions for the production of radionuclides by neutron-induced reactions on C, O, Mg, Al, Si, Fe, Co, Ni, Cu, Ag, Te, Pb, and U up to 180 MeV
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2015 (English)In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, ISSN 0168-583X, Vol. 343, 30-43 p.Article in journal (Refereed) Published
Abstract [en]

Irradiation experiments with well-characterized, quasi mono-energetic neutrons of energies between 32.7 MeV and 175.4 MeV were performed at UCL/Louvain-la-Neuve and TSL/Uppsala. The abundances of relatively short-lived residual radionuclides from 13 different target elements were determined by 7-spectrometry. More than 100 excitation functions of neutron-induced reactions were unfolded based on the neutron spectra and the radionuclide abundances with the aid of additional information that was provided by "guess" excitation functions calculated by the TALYS 1.0 code. The results are compared with the sparse existing data from other authors. The new excitation functions were validated by calculation of and comparison with experimental thick-target production rates. Consistency with neutron excitation functions up to 1.6 GeV, which were derived earlier by unfolding the thick-target production rates, was so demonstrated.

Place, publisher, year, edition, pages
2015. Vol. 343, 30-43 p.
Keyword [en]
Neutron cross sections, Quasi mono-energetic neutrons, Residual nuclides, Activation technique, Unfolding
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-247167DOI: 10.1016/j.nimb.2014.11.006ISI: 000348554400006OAI: oai:DiVA.org:uu-247167DiVA: diva2:795391
Available from: 2015-03-16 Created: 2015-03-13 Last updated: 2015-03-16Bibliographically approved

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Prokofiev, Alexander V.
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Applied Nuclear PhysicsThe Svedberg Laboratory
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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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