We present a microscopic description of nuclei in the intermediate-mass region, including the proximity to the proton drip line, based on a no-core shell model with a schematic many-nucleon long-range interaction with no parameter adjustments. The outcome confirms the essential role played by the symplectic symmetry to inform the interaction and the winnowing of shell-model spaces. We show that it is imperative that model spaces be expanded well beyond the current limits up through 15 major shells to accommodate particle excitations, which appear critical to highly deformed spatial structures and the convergence of associated observables. © 2014 American Physical Society.
Publication Source (Journal or Book title)
Physical Review C - Nuclear Physics
Tobin, G., Ferriss, M., Launey, K., Dytrych, T., Draayer, J., Dreyfuss, A., & Bahri, C. (2014). Symplectic no-core shell-model approach to intermediate-mass nuclei. Physical Review C - Nuclear Physics, 89 (3) https://doi.org/10.1103/PhysRevC.89.034312