Neutron Unbound States in the Island of Inversion*

The area of the nuclear chart where the N=20 shell gap disappears is within an "island of inversion.” These nuclei are short-lived and require radioactive beams in order to study them and their neutron-unbound excited states. An experiment was performed at the National Superconducting Cyclotron Laboratory (NSCL) to study the unique nuclear structure characteristics of various neutron rich nuclides with A/Z ~ 3, aiming to populate neutron-unbound excited states. MoNA-LISA and the Sweeper magnet were used to perform invariant mass spectroscopy. Preliminary experimental results will be discussed.