Pulsed neutron source measurements in the subcritical ADS experiment YALINA-Booster |
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| Authors: | Carl-Magnus Persson Andrei Fokau Ivan Serafimovich Victor Bournos Yurii Fokov Christina Routkovskaia Hanna Kiyavitskaya Waclaw Gudowski |
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| Affiliation: | 1. Royal Institute of Technology, AlbaNova University Centre, Department of Reactor Physics, SE-106 91, Stockholm, Sweden;2. Joint Institute for Power and Nuclear Research, National Academy of Sciences of Belarus, Minsk, Belarus |
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| Abstract: | A subcritical zero-power source-driven coupled core, the YALINA-Booster, has been constructed for experimental investigations of neutron kinetics of source-driven systems. In this study, the reactivity of two subcritical configurations has been determined by the area ratio method. The prompt neutron decay constants have been evaluated through slope fitting of the prompt neutron decay as well as through the pulsed Rossi-α method. It is shown that the slope fitting method and the pulsed Rossi-α method give stable results whereas the area ratio method results show spatial dependence. The reasons for the spatial spread are addressed. |
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