Microscopic modeling of direct pre-equilibrium emission from neutron induced reactions on even and odd actinides
1 CEA, DAM, DIF, Arpajon, France
2 Université de Strasbourg, CNRS, IPHC UMR 7178, 67000 Strasbourg, France
a e-mail: email@example.com
Published online: 13 September 2017
Direct inelastic scattering to discrete excitations and pre-equilibrium emission are described within a microscopic model. Nuclear structure information are obtained in the (Quasi) Random Phase Approximation ((Q)RPA) framework implemented with the Gogny force. The relevant optical and transition potentials are build considering the JLM folding model. Various successful applications are shown for (n,n), (n,n'), (n,xn) and (n,xnγ) reactions for spherical and axially deformed even-even or odd targets. The rearrangement corrections to transition potentials and the contribution of unnatural parity excitations to pre-equilibrium emission are discussed. Our model predictions for (n,n'γ) reactions, for intra- and inter-band transitions in 238U, and for the 239Pu(n,2n) cross section are analyzed.
© The Authors, published by EDP Sciences, 2017