Coherent wave packet dynamics in photo-excited Nal T. Leitner, F. Buchner, A. Luebcke, A. Rouzée, L. Rading, P. Johnsson, M. Odelius, H. O. Karlsson, M. Vrakking and Ph. Wernet EPJ Web of Conferences, 41 (2013) 02027 Published online: 13 March 2013 DOI: 10.1051/epjconf/20134102027