Strong Correlation in Three-Particle Continuum A ⁺⁺ + e + e: Theory and Visualization

Abstract

The correlations in the three-particle continuum A ⁺⁺ + e + e are very strong near the threshold of three-body breakup due to the long-range nature of the Coulomb interaction. The angular distributions are calculated within a new method (Extended Wannier Ridge Model) which effectively reduces the amount of dynamic variables. The formation of the correlation pattern (as the particles recede) is visualized and discussed in physically appealing terms. The method is applied to the double photoionization process γ, 2e). The correlation patterns depend drastically on the orbital momentum of the residual core A ⁺⁺. The results compare favourably with the recent experimental data.