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Recent developments of the FALSTAFF experimental setup

Abstract : The study of nuclear fission is encountering renewed interest with the development of GEN-IV reactor concepts, mostly working in the neutron fast energy domain. To support the fast reactor technologies, new high quality nuclear data are needed. New facilities are being constructed to produce high intensity neutron beams from hundreds of keV to few tens of MeV (Licorne, NFS, nELBE, ...). They will open new opportunities to provide nuclear data. In this framework the development of an experimental setup called FALSTAFF for a characterisation of actinide fission fragments has been undertaken. Fission fragment yields and associated neutron multiplicities will be measured as a function of the neutron energy. Based on time-of-flight and residual energy technique, the setup will allow the simultaneous measurement of the complementary fragment velocity and energy. The FALSTAFF setup and the upgrade of the first arm prototype with the new ionisation chamber CALIBER will be presented. The performances of the experimental apparatus is discussed.
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https://hal.archives-ouvertes.fr/hal-01953173
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Submitted on : Wednesday, December 12, 2018 - 4:37:09 PM
Last modification on : Tuesday, October 19, 2021 - 11:33:59 PM

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A. Chietera, L. Thulliez, E. Berthoumieux, D. Doré, A. Letourneau, et al.. Recent developments of the FALSTAFF experimental setup. 6th Workshop on Nuclear Fission and Spectroscopy of Neutron-Rich Nuclei, Mar 2017, Chamrousse, France. pp.04003, ⟨10.1051/epjconf/201819304003⟩. ⟨hal-01953173⟩

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