Mechanism of Proton-Induced Reactions on Targets 16O,27Al, 56Fe, 112Cd, 184W and 208Pb At Ep = 800 MeV

Abstract

We investigate the 800 MeV proton-induced spallation reactions onvarious targets by the improved quantum molecular dynamics (ImQMD05)model incorporated with a statistical decay model (SDM). The influenceof the nucleon–nucleon effective interaction on proton inducedspallation reactions is studied by using different Skyrme interactions.It is found that the low energy part of the neutron double differentialcross sections (DDCS), which is mainly contributed from the decay of theexcited residue, is influenced by the effective nucleon–nucleoninteraction strongly, while the high energy part of neutron DDCS isinfluenced weakly. Among the Skyrme interactions used in thecalculations, the calculation results with SkP give the best agreementwith the experimental data.