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The possibility of performing kinematically complete measurements of ionization collisions by positron impact brings about the promise of encountering new unexpected phenomena, which otherwise would be impossible to foresee. In this communication, we employ the classical trajectory Monte-Carlo method to explore H2 ionization fully differential cross section (FDCS), depending on the relative momentum of the electron-positron continuum dipole and the deflection angle of its center of mass. We find a strong structure in the FDCS at non-zero deflection angles. Finally, we discuss some of these new effects, and the possibility of observing them in actual experiments.

Classical trajectory Monte Carlo calculation of the fully differential cross section for ionization ofH2by positron impact

Classical trajectory Monte Carlo calculation of the fully differential cross section for ionization ofH₂by positron impact