Livshits, E. ; Bittner, D. M. ; Trost, F. ; Meister, S. ; Lindenblatt, H. ; Treusch, R. ; Gope, K. ; Pfeifer, T. ; Baer, R. ; Moshammer, R. ; et al. Symmetry-breaking dynamics of a photoionized carbon dioxide dimer. Nat. Commun. In Press.