Abstract

Two-neutron knockout reactions from nuclei in the proximity of the proton dripline have been studied using intermediate-energy beams of neutron-deficient $^{34}\mathrm{Ar}$, $^{30}\mathrm{S}$, and $^{26}\mathrm{Si}$. The inclusive cross sections, and also the partial cross sections for the population of individual bound final states of the $^{32}\mathrm{Ar}$, $^{28}\mathrm{S}$ and $^{24}\mathrm{Si}$ knockout residues, have been determined using the combination of particle and \ensuremath{\gamma}-ray spectroscopy. Similar to the two-proton knockout mechanism on the neutron-rich side of the nuclear chart, these two-neutron removal reactions from already neutron-deficient nuclei are also shown to be consistent with a direct reaction mechanism.

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