Affiliation: | [1]Theory Group, KVI, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands; [2]Departamento de Fisica At6mica, Molecular y Nuclear, Universidad de Granada, E-18071 Granada, Spain; [3]Departament d'Estructura i Constituents de la Materia and Institut de Ciencies del Cosmos, Universitat de Barcelona, E-08028 Barcelona, Spain; [4]Department of Physics, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA; [5]Instituto de Fisica Corpuscular (centro mixto CSIC-UV), Institutos de Investigacion de Paterna, Aptdo. 22085, E-46071 Valencia, Spain |