1. Dipartimento di Fisica e SdT, Università degli Studi di Ferrara, I-44122 Ferrara, Italy
2. Istituto Nazionale di Fisica Nucleare (INFN), sezione di Ferrara, I-44122 Ferrara, Italy
3. Laboratorio Acceleratori e Superconduttività Applicata (LASA), Istituto Nazionale di Fisica Nucleare (INFN), I-20054 Milano, Italy
4. Laboratori Nazionali del Sud (LNS), Istituto Nazionale di Fisica Nucleare (INFN), I-95123 Catania, Italy
5. Institute für Kernphysik (IKP), Forschungszentrum Jülich (FZJ), D-52428 Jülich, Germany
6. Peter Grünberg Institut (PGI), Forschungszentrum Jülich (FZJ), D-52428 Jülich, Germany
7. Institut für Laser– und Plasma–Physik (ILLP), Heinrich–Heine–Universität, Düsseldorf (HHUD), D-40225 Düsseldorf, Germany
8. Petersburg Nuclear Physics Instituted (PNPI) named by B. P. Kostantinov of the National Research Center “Kurchatov” Institute (NRC-KI), Ru-188300 Gatchina, Russia
9. Budker Institute of Nuclear Physics (BINP), Ru-630090 Novosibirsk, Russia
10. Novosibirsk State University, Ru-630090 Novosibirsk, Russia
11. Department of Physics, University of Crete, Gr-71110 Heraklion, Crete, Greece
12. Institute of Electronic Structure and Laser (IESL), FOundation for Research and Technology Hellas (FORTH), Gr-71110 Heraklion-Crete, Greece
13. Rheinisch–Westfälische Technische Hochschule Aachen (RWTH), D-52062 Aachen, Germany