Mutual projectile and target ionization in 1-MeV/amu N(4+) and N(5+) + He collisions

authorCount :15
We have studied mutual projectile and target ionization in 1-MeV/amu N(4+) and N(5+) + He collisions in kinematically complete experiments by measuring the momenta of the recoil ion and both ejected electrons in coincidence with the charge-changed projectiles. By means of four-particle Dalitz plots, in which multiple differential cross sections are presented as a function of the momenta of all four particles, experimental spectra are compared with theoretical results from various models. The experimental data are qualitatively reproduced by higher-order calculations, where good agreement is achieved for N(5+) + He collisions, while some discrepancies persist for N(4+) + He collisions.

In:Physical Review A. Atomic, Molecular, and Optical Physics84:2, s. 022707-1050-29471094-1622

By the author/editor: Wang, X.; Schneider, K.; Kelkar, A.; Schulz, M.; Najjari, B.; Voitkiv, A.; show more...; Gundmundsson, Ma ...; Grieser, M.; Krantz, C.; Lestinsky, M.; Wolf, A.; Hagmann, S.; Moshammer, R.; Ullrich, J.; Fischer, D.; show less...

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