DEMO exhaust challenges beyond ITER

R. Wenninger1,2, R. Kemp3, F. Maviglia1, H. Zohm2, R. Albanese4, R. Ambrosino5, F. Arbeiter6, J. Aubert7, C. Bachmann1, W. Biel8, E. Fable2, G. Federici1, J. Garcia9, A. Loarte10, Y. Martin11, T. Putterich2, C. Reux8, B. Sieglin2, P. Vincenzi12 1 EUROfusion Programme Management Unit, Garching, Germany 2 Max-Planck-Institut fur Plasmaphysik, Garching, Germany 3 CCFE Culham, EURATOM Association, Culham, United Kingdom 4 Universita di Napoli Federico II, Naples, Italy 5 Universita di Napoli Parthenope, Naples, Italy 6 Karlsruhe Institute of Technology, Karlsruhe, Germany 7 CEA-Saclay, DEN/DM2S/SEMT, Gif-Sur-Yvette, France 8 Institute of Energyand Climate Research, Forschungszentrum Julich GmbH 9 CEA, IRFM, St Paul-Lez-Durance, France 10 ITER Organization, Cadarache, Saint-Paul-Lez-Durance, France 11 CRPP, EPFL, Lausanne, Switzerland 12 Consorzio RFX, Padova, Italy