Microscopic two-nucleon overlaps and knockout reactions from C
arXiv:1207.5695 · doi:10.1103/PhysRevC.86.054609
Abstract
The nuclear structure dependence of direct reactions that remove a pair of like or unlike nucleons from a fast C projectile beam are considered. Specifically, we study the differences in the two-nucleon correlations present and the predicted removal cross sections when using -shell shell-model and multi- no-core shell-model (NCSM) descriptions of the two-nucleon overlaps for the transitions to the mass =10 projectile residues. The NCSM calculations use modern chiral two-nucleon and three-nucleon (NN+3N) interactions. The -removal cross sections to low-lying =0, B final states are enhanced when using the NCSM two-nucleon amplitudes. The calculated absolute and relative partial cross sections to the low energy B final states show a significant sensitivity to the interactions used, suggesting that assessments of the overlap functions for these transitions and confirmations of their structure could be made using final-state-exclusive measurements of the -removal cross sections and the associated momentum distributions of the forward travelling projectile-like residues.
9 pages, 7 figures
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