Lifetimes of the 2$\^{}+ _1 $ and the 4$\^{}+ _1 $ States of $\^{}$\{$148$\}$ $ Ce and its B $ _ $\{$4/2$\}$ $ Ratio from EXILL&FATIMA Experiment - Koseoglou, P; Werner, V; Pietralla, N.; Ilieva, S; Bernards, C; Blanc, A; Bruce, AM; Cakirli, RB; Cooper, N; de France, G; others (Shapes and Symmetries in Nuclei: from Experiment to Theory Workshop (SSNET 2016), 2016)