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Validation of Minor Actinides Fission Neutron Cross-Sections

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2015
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Authors
Pešić, Milan P.
Titarenko, Yury E.
Batyaev, Viacheslav F.
Pavlov, Kirill V.
Tffarenko, Alexey Yu.
Zhivun, Valeriy M.
Igumnov, Mikhail M.
Konev, Viacheslav N.
Legostaev, Vladimir O.
Article (Published version)
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Abstract
Verification of neutron fission cross-sections of minor actinides from some recently available evaluated nuclear data libraries was carried out by comparison of the reaction rates calculated by the MCNP6.1 computer code to the experimental values. The experimental samples, containing thin layers of U-235, Np-237, (238,239,240,241)pu, (242)mAin, Cm-243, (245)cm, and Cm-247, deposited on metal support and foils of U-235 (pseudo-alloy Al-27 + U-235), U-238, In-nat, Zn-64, Al-27, and multi-component sample alloy Al-27 + (55)mn Cu-nat + Lu-nat Au-197, were irradiated in the channels of the tank containing fluorine salts 0.52NaF + 0.48ZrF(4), labelled as the Micromodel Salt Blanket, inserted in the lattice centre of the MAKET heavy water critical assembly at the Institute for Theoretical and Experimental Physics, Moscow. This paper is a continuation of earlier initiated scientific-research activities carried out for validation of the evaluated fission cross-sections of actinides that were su...pposed to be used for the quality examination of the fuel design of the accelerator driven systems or fast reactors, and consequently, determination of transmutation rates of actinides, and therefore, determination of operation parameters of these reactor facilities. These scientific-research activities were carried out within a frame of scientific projects supported by the International Science and Technology Center and the International Atomic Energy Agency co-ordinated research activities, from 1999 to 2010. Obtained results confirm that further research is needed in evaluations in order to establish better neutron cross-section data for the minor actinides and selected nuclides which could be used in the accelerator driven systems or fast reactors.

Keywords:
nuclear data library / accelerator driven system / fast reactor actinide / reaction rate / MAKET / MCNP6.1
Source:
Nuclear technology and radiation protection, 2015, 30, 1, 1-10
Projects:
  • National Research Center Kurchatov Institute, Moscow

DOI: 10.2298/NTRP1501001P

ISSN: 1451-3994 (print)

WoS: 000354230200001

Scopus: 2-s2.0-84929231057
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URI
http://vinar.vin.bg.ac.rs/handle/123456789/529
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