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Author Lantz, M. ♦ Al-Adili, A. ♦ Gorelov, D. ♦ Jokinen, A. ♦ Kolhinen, V.S. ♦ Mattera, A. ♦ Moore, I. ♦ Penttilä, H. ♦ Pomp, S. ♦ Prokofiev, A.V. ♦ Rakopoulos, V. ♦ Rinta-Antila, S. ♦ Simutkin, V. ♦ Solders, A.
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Copyright Year ©2016
Abstract 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 neutroninduced 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 Jyväskylä, 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.
Learning Resource Type Article
Publisher Date 2016-01-01
Journal EPJ Web of Conferences
Issue Number 122