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Fission yield measurements at IGISOL
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.
Univ Jyvaskyla, Dept Phys, SF-40351 Jyvaskyla, Finland..
Univ Jyvaskyla, Dept Phys, SF-40351 Jyvaskyla, Finland..
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2016 (English)In: CNR*15 - 5th International Workshop On Compound-Nuclear Reactions And Related Topics / [ed] Kawano, T; Chiba, S; Paris, MW; Talou, P, 2016, article id 01008Conference paper, Published paper (Refereed)
Abstract [en]

The fission product yields are an important characteristic of the fission process. In fundamental physics, knowledge of the yield distributions is needed to better understand the fission process. For nuclear energy applications good knowledge of neutron-induced fission-product yields is important for the safe and efficient operation of nuclear power plants. With the Ion Guide Isotope Separator On-Line (IGISOL) technique, products of nuclear reactions are stopped in a buffer gas and then extracted and separated by mass. Thanks to the high resolving power of the JYFLTRAP Penning trap, at University of Jyvaskyla, fission products can be isobarically separated, making it possible to measure relative independent fission yields. In some cases it is even possible to resolve isomeric states from the ground state, permitting measurements of isomeric yield ratios. So far the reactions U(p,f) and Th(p,f) have been studied using the IGISOL-JYFLTRAP facility. Recently, a neutron converter target has been developed utilizing the Be(p,xn) reaction. We here present the IGISOL-technique for fission yield measurements and some of the results from the measurements on proton induced fission. We also present the development of the neutron converter target, the characterization of the neutron field and the first tests with neutron-induced fission.

Place, publisher, year, edition, pages
2016. article id 01008
Series
EPJ Web of Conferences, ISSN 2100-014X ; 122
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-314832DOI: 10.1051/epjconf/201612201008ISI: 000389877200008OAI: oai:DiVA.org:uu-314832DiVA, id: diva2:1072061
Conference
5th International Workshop on Compound-Nuclear Reactions and Related Topics (CNR), OCT 19-23, 2015, Tokyo, JAPAN
Available from: 2017-02-07 Created: 2017-02-06 Last updated: 2017-02-07Bibliographically approved

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Lantz, MattiasAl-Adili, AliMattera, AndreaPomp, StephanProkofiev, Alexander V.Rakopoulos, VasileiosSimutkin, VasilySolders, Andreas
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