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Uncertainty Study of Nuclear Model Parameters for the n+Fe-56 Reactions in the Fast Neutron Region below 20 MeV
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics. (nuclear reaction group)
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics. (nuclear reaction group)
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
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2014 (English)In: Nuclear Data Sheets, ISSN 0090-3752, E-ISSN 1095-9904, Vol. 118, 346-348 p.Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

In this work we study the uncertainty of nuclear model parameters for neutron induced Fe-56 reactions in the fast neutron region by using the Total Monte Carlo method. We perform a large number of TALYS runs and compare the calculated results with the experimental data of the cross sections to obtain the uncertainties of the model parameters. Based on the derived uncertainties another 1000 TALYS runs have been performed to create random cross section files. For comparison with the experimental data we calculate a weighted chi(2) value for each random file as well as the ENDF/B-VII. 1, JEFF-3.1, JENDL-4.0 and CENDL-3.1 data libraries. Furthermore, we investigate the optical model parameters correlation obtained by way of this procedure.

Place, publisher, year, edition, pages
2014. Vol. 118, 346-348 p.
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URN: urn:nbn:se:uu:diva-197279DOI: 10.1016/j.nds.2014.04.076ISI: 000347704400075OAI: oai:DiVA.org:uu-197279DiVA: diva2:612310
Conference
International conference on nuclear data for science and technology, 4-8 March, 2013, New York USA
Available from: 2013-03-21 Created: 2013-03-21 Last updated: 2017-12-06Bibliographically approved

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Duan, JunfengPomp, StephanSjöstrand, HenrikAlhassan, ErwinGustavsson, CecilliaÖsterlund, Michael

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