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Accurate Fission Data for Nuclear Safety
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics. (Nuclear reactions)ORCID iD: 0000-0003-4725-3083
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2014 (English)In: Nuclear Data Sheets, ISSN 0090-3752, E-ISSN 1095-9904, Vol. 119, 338-341 p.Article in journal (Refereed) Published
Abstract [en]

The Accurate fission data for nuclear safety (AIFONS) project aims at high precision measurements of fission yields, using the renewed IGISOL mass separator facility in combination with a new high current light ion cyclotron at the University of Jyvaskyla. The 30 MeV proton beam will be used to create fast and thermal neutron spectra for the study of neutron induced fission yields. Thanks to a series of mass separating elements, culminating with the JYFLTRAP Penning trap, it is possible to achieve a mass resolving power in the order of a few hundred thousands. In this paper we present the experimental setup and the design of a neutron converter target for IGISOL. The goal is to have a flexible design. For studies of exotic nuclei far from stability a high neutron flux (10(12) neutrons/s) at energies 1 - 30 MeV is desired while for reactor applications neutron spectra that resembles those of thermal and fast nuclear reactors are preferred. It is also desirable to be able to produce (semi-)monoenergetic neutrons for benchmarking and to study the energy dependence of fission yields. The scientific program is extensive and is planed to start in 2013 with a measurement of isomeric yield ratios of proton induced fission in uranium. This will be followed by studies of independent yields of thermal and fast neutron induced fission of various actinides.

Place, publisher, year, edition, pages
2014. Vol. 119, 338-341 p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-246692DOI: 10.1016/j.nds.2014.08.093ISI: 000347706200209OAI: oai:DiVA.org:uu-246692DiVA: diva2:794228
Available from: 2015-03-10 Created: 2015-03-09 Last updated: 2016-05-03

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Solders, AndreasLantz, MattiasMattera, A.Pomp, StephanRakopoulos, Vasileios
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