Shell Evolution and E2 Collectivity: New Spectroscopic Information N. Pietralla, C. Kremer, T. Beck, W. Witt, U. Gayer, P. von Neumann-Cosel and V. Werner EPJ Web Conf., 178 (2018) 02007 Published online: 16 May 2018 DOI: 10.1051/epjconf/201817802007