L. Praestegaard, H. Bach, L. Kruse, B.R. Nielsen, F. Pérez (Danfysik A/S, DK-4040 Jyllinge, Denmark) , L.O. Dallin, R.M. Silzer (Canadian Light Source, University of Saskatchewan, 107 North Road, Saskatoon, Canada S7N 5C6) , S.P. Møller (Institute for Storage Ring Facilities, University of Aarhus, DK-8000 Aarhus C, Denmark)