Pedro Amaro⁶, Katharina Kubicek^1,7, Mohammed Sekkal^1,7, Awad Mohamed⁸, Rebecca Boll¹, Alberto De Fanis¹, Simon Dold¹, Tommaso Mazza¹, Jacobo Montano¹, Nils Rennhack¹, Björn Senfftleben¹, Sergey Usenko¹, Zoltan Harman², Christoph H. Keitel², Maurice Leutenegger³, Michael Meyer¹, Thomas Pfeifer², José R. Crespo López-Urrutia², and Thomas M. Baumann^1,‡

• ¹European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
• ²Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany
• ³NASA Goddard Space Flight Center, 8800 Greenbelt Rd, Greenbelt, Maryland 20771, USA
• ⁴Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218, USA
• ⁵Heidelberg Graduate School for Physics, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany
• ⁶Laboratory of Instrumentation, Biomedical Engineering and Radiation Physics (LIBPhys-UNL), Department of Physics, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
• ⁷Department of Physics, Universität Hamburg, Notkestraße 9-11, 22607 Hamburg, Germany
• ⁸ISM-CNR, Istituto di Struttura dei Materiali, LD2 Unit, 34149 Trieste, Italy

• ^*Contact author: moto.togawa@xfel.eu
• ^†Contact author: chunhai.lyu@mpi-hd.mpg.de
• ^‡Contact author: thomas.baumann@xfel.eu