Optimization of ICRH for tungsten control in JET H-mode plasmas

1 CEA, IRFM, F-13108 Saint-Paul-lez-Durance, France. Association EURATOM-Belgian State, LPP-ERM-KMS, TEC partner, Brussels, Belgium Euratom/CCFE Fusion Association, Culham Science Centre, Abingdon, OX14 3DB, UK Max-Planck-Institut fur Plasmaphysik, EURATOM-Assoziation, Garching, Germany Forschungszentrum Julich, EURATOM Association, Julich, Germany Association Euratom-IPPLM, Hery 23, 01-497 Warsaw, Poland