Ground state correlations in H2 measured by the (e,2e) technique

Abstract

The relative intensities for exciting the 1sσg, 2pσu, 2pπu, and 2sσg states of H2 are measured in a 1200 eV noncoplanar symmetric (e,2e) experiment on H2. Momentum distributions are obtained at separation energies corresponding to the various transitions. The ratio of transition probability to the excited states relative to the ground state is strongly dependent on the ion recoil momentum q, having a minimum value of approximately 2% at small q. The excited state cross sections are sensitive to electron correlation effects and the data are compared with calculated cross sections using a configuration interaction wavefunction for H2. Show more