Measurements of the double-differential neutron cross section of ThO2 , U3O8 and UAl at room temperature
The present work is proposed in the framework of an experimental project started mid-2014 at the Institut Laue-Langevin which aims to measure double differential cross sections and to produce dynamic structure factor for the Joint Evaluated Fission and Fusion nuclear data library of OCDE/NEA. This library aims to fulfill the nuclear data needs for nuclear reactor applications. Double differential cross section measurements on light water (H2O), heavy water (D2O) and uranium dioxide (UO2) were already performed at the ILL facilities in the framework of this project [2-5]. Our new proposition is part of a multi-year program plan on actinides. The main goals are to investigate the neutron scattering properties of ThO2, U3O8 and UAl and to extract phonon densities of states (PDOS) at room temperature. PDOS are one of the main physical quantities involved in the neutronic simulations of thermal neutron transport.
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NOGUERE Gilles; CALZAVARA Yoann; M. Diakaki; FILHOL Alain; OLLIVIER Jacques and XU Shuqi. (2020). Measurements of the double-differential neutron cross section of ThO2 , U3O8 and UAl at room temperature. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-04-184
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