Speaker
Description
The experimental total production cross sections of intermediate mass fragments (isotopes of Li, Be, B, C, N, O, F, Ne, Na, and Mg) were extracted by the integration of dsigma/dOmega dE data measured at several angles for p+Ag collisions at proton beam energy of 480 MeV. The total cross sections show typical odd-even staggering (OES) when presented as a function of the atomic number Z of ejectiles. The effect is the strongest for products with T3=(N-Z)/2 =0 and 1. Similar behavior is observed for theoretical cross sections evaluated in the two-step model in which the first stage of the reaction is described by intranuclear cascade INCL++ and the second stage by GEMINI++ model. The OES seems to be even more pronounced for theoretical than for the experimental cross sections.