W. Boutu1, S. Haessler1, H. Merdji1, P. Breger1, G. Waters2, M. Stankiewicz3, L. J. Frasinski4, R. Taieb5,6, J. Caillat5,6, A. Maquet5,6, P. Monchicourt1, B. Carre1 and P. Salieres1
1. CEA-Saclay, DSM, Service des Photons, Atomes et Molécules, 91191 Gif sur Yvette, France
2. J.J. Thomson Physical Laboratory, University of Reading, Whiteknights, Reading RG6 6AF, UK
3. Institute of Physics, Jagiellonian University, ul.