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Inelastic neutron scattering cross sections at 96 MeV for iron
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
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(English)Manuscript (Other (popular science, discussion, etc.))
Identifiers
URN: urn:nbn:se:uu:diva-96694OAI: oai:DiVA.org:uu-96694DiVA: diva2:171352
Available from: 2008-02-08 Created: 2008-02-08 Last updated: 2013-02-18
In thesis
1. Neutron Scattering at 96 MeV
Open this publication in new window or tab >>Neutron Scattering at 96 MeV
2008 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Data on elastic scattering of 96 MeV neutrons from 56Fe, 89Y and 208Pb in the angular interval 10-70° are presented. The previously published data on 208Pb have been extended, as a new method has been developed to obtain additional information at the most forward angles. The results are compared with phenomenological and microscopic optical potentials. The theory predictions are in general in good agreement with the experimental data.

A study of the deviation of the zero-degree cross section from Wick's limit has been performed. The data on 208Pb are in agreement with Wick's limit, while those on lighter nuclei overshoot the limit significantly.

A novel analysis method has been developed to obtain the inelastic neutron emission cross sections from the existing 56Fe data. The method is based on folding a trial spectrum with the response of the detector setup. The data cover the angular interval 26-65° and an excitation energy range of 0-45 MeV, ranges hitherto not studied. The results are compared with nuclear model predictions and found to be in good agreement with the experimental data.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2008. 52 p.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 389
Keyword
Nuclear physics, neutron, elastic scattering, inelastic scattering, differential cross section, optical model potential, Wick's limit, angular distribution, pre-equilibrium, Kärnfysik
National Category
Physical Sciences
Identifiers
urn:nbn:se:uu:diva-8425 (URN)978-91-554-7079-1 (ISBN)
Public defence
2008-02-29, Häggsalen, Ångströmlaboratoriet, Lägerhyddsvägen 1, Uppsala, 10:15 (English)
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Supervisors
Available from: 2008-02-08 Created: 2008-02-08 Last updated: 2009-04-29Bibliographically approved

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Pomp, S.

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