Lifetime measurements in 105Sn: the puzzle of B(E2) strengths in Sn isotopes Giorgia Pasqualato, Andrea Gottardo, Alain Goasduff, Josè Javier Valiente Dobón and Daniele Mengoni EPJ Web Conf., 223 (2019) 01048 Published online: 04 December 2019 DOI: 10.1051/epjconf/201922301048