Large scale nuclear structure studies within the complex Excited Vampir model involving rather large single particle basis systems as well as general two-body interactions are used to investigate exotic phenomena in medium mass nuclei. Results are presented on the influence of Coulomb induced isospin-mixing on the superallowed Fermi β decay in isovector triplets of nuclei, as well as the mechanism responsible for the generation of magnetic bands in the A ≃ 80 mass region.
Description of the two neutrino double β decay in deformed nuclei with projected spherical single particle basis