Spectroscopy of the unbound: One-neutron knockout reaction of 14Be
Abstract
Full Faddeev-type calculations are performed for one-neutron knockout reaction of 14Be on proton target at 69 MeV/u incident energy. Inclusive transverse momentum distributions for the outgoing (12Be + n) system and semi-inclusive cross sections are presented. A significant proton-core single scattering contribution emerges where the valence neutron has non zero angular momentum relative to the core. This indicates that distorted-wave impulse approximation is inadequate and the complete multiple scattering series must be taken into account for the considered reaction. The magnitude of the semi-inclusive cross section at quasifree scattering conditions is a clear signature of the angular momentum of the valence nucleon.
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