Paper Citing NAMD - Abstract
Farhi, Emmanuel; Ferran, Ghislain; Haeck, Wim; Pellegrini, Eric; Calzavara, Yoann
Light and heavy water dynamic structure factor for neutron transport codes
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, 52:844-856, JUN 3 2015
In this study, we report on recent neutron inelastic scattering experiments performed at the Institut Laue-Langevin (ILL) for H2O and D2O. The measured dynamic structure factors S(q, omega) have been reduced, normalised and transformed into the S(alpha, beta) formalism, where alpha and beta stand for the unit-less momentum and energy transfers, respectively. The measurements were complemented with molecular dynamics simulations. After processing with NJOY, new water neutron scattering cross-sections have been generated for use with e.g. the Monte Carlo N-Particle (MCNP) software in view to improve the accuracy of the nuclear facility models. As an example, we present improved accuracy calculations for the safety rod insertion impact on the criticality factor k(eff) for the ILL high flux research reactor.
