$^{237}$Np absolute delayed neutron yield measurements

Abstract : 237Np absolute delayed neutron yields have been measured at different incident neutron energies from 1.5 to 16MeV. The experiment was performed at the Physikalisch-Technische Bundesanstalt (PTB) facility where the Van de Graaff accelerator and the cyclotron CV28 delivered 9 different neutron energy beams using p+T, d+D and d+T reactions. The detection system is made up of twelve 3He tubes inserted into a polyethylene cylinder. In this paper, the experimental setup and the data analysis method are described. The evolution of the absolute DN yields as a function of the neutron incident beam energies are presented and compared to experimental data found in the literature and data from the libraries.
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Submitted on : Friday, November 17, 2017 - 10:44:47 AM
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D. Doré, X. Ledoux, R. Nolte, F. Gagnon-Moisan, L. Thulliez, et al.. $^{237}$Np absolute delayed neutron yield measurements. International Conference on Nuclear Data for Science and Technology - ND2016, Sep 2016, Bruges, Belgium. pp.04029, ⟨10.1051/epjconf/201714604029⟩. ⟨in2p3-01636922⟩

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