Influence of density and release properties of UC$_x$ targets on the fission product yields at ALTO - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms Année : 2020

Influence of density and release properties of UC$_x$ targets on the fission product yields at ALTO

Résumé

To study the influence of the structural properties of UC$_x$ targets on their release properties, several types of targets using different precursors (carbon and uranium) were synthesized, characterized, irradiated and heated leading to the determination of the released fractions of eight elements. In this article, the production rates of these targets are estimated under the use conditions at ALTO, i.e. with targets bombarded by an electron beam (10 μA, 50 MeV). We have simulated the fission number produced using the FLUKA code. Then, we have determined the release efficiency as a function of the half-life of the isotopes using average diffusion coefficients deduced for the elements studied previously. Finally, we compare the production rates obtained from the various targets and conclude that the target must be adapted to the element studied. It is crucial to find in each case the best compromise between the target density and the release efficiency.

Dates et versions

hal-02497868 , version 1 (03-03-2020)

Identifiants

Citer

Julien Guillot, Brigitte Roussière, Sandrine Tusseau-Nenez, Denis S. Grebenkov, Maxime Ignacio. Influence of density and release properties of UC$_x$ targets on the fission product yields at ALTO. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2020, 468, pp.1-7. ⟨10.1016/j.nimb.2020.02.016⟩. ⟨hal-02497868⟩
89 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More