1. Deutsches Elektronen-Synchrotron, Notkestrasse 85, D-22607 Hamburg, Germany
2. Max-Planck-Institut für Struktur und Dynamik der Materie, Luruper Chaussee 149, D-22761 Hamburg, Germany
3. Institut
für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Strasse
1, D-24118 Kiel, Germany
4. The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany
5. Provost’s
Office and Department of Chemistry, Furman University, Greenville, South Carolina 29613, United States
6. Radboud University, Institute for Molecules and
Materials, FELIX Laboratory, Toernooiveld 7-c, 6525 ED Nijmegen, The Netherlands
7. Department
of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
8. Institute
of Physics, Polish Academy of Sciences, PL-02668 Warsaw, Poland