1. Institute of Molecular Physics, Polish Academy of Sciences, Mariana Smoluchowskiego 17, 60-179 Poznań, Poland
2. 1. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70550 Stuttgart, Germany
3. Université Rennes, CNRS, Institut des Sciences Chimiques de Rennes (ISCR) UMR 6226, Campus de Beaulieu, 35042 Rennes, France