In-Beam Gamma-Ray Spectroscopy of ²⁹S

Single-neutron knockout and multi-nucleon removal from ³⁰S and ³⁴Ar were performed to study the nuclear structure of ²⁹S. At the National Superconducting Cyclotron Laboratory, impingement of a primary ³⁶Ar beam on a ⁹Be target produced radioactive beams containing ³⁰S and ³⁴Ar. The radioactive beam was then collided with another Beryllium target to produce ²⁹S and other reaction products. Gamma decays were measured by the Segmented Germanium Array (SeGA) surrounding the target and the S800 spectrograph was used to identify the reaction products. Analysis of a higher gamma-ray energy range than was previously studied allowed for the identification of new transitions above 2 MeV in ²⁹S. Comparisons were made to nuclear shell model predictions using the USDB interaction and measurements on the mirror nucleus to make spin and parity assignments and study isospin symmetry. Based on this analysis, a new transition was tentatively identified as the decay of the 3/2⁺ level to the ground state.