“Ultra Pure and High Intensity Multiply Charged Radioactive Ion Beams” Associated institutes: IPNS KEK, Japan S. Jeong, N. Imai, M. Oyaizu, H. Myiatake IAP RAS Nizhny Novgorod, Russia V. Zorin, I. Izotov, V. Skalyga Pierre Delahaye on behalf of the JRA7 proposers: P. Jardin, N. Lecesne, G. Gaubert, R. Leroy, M. G. St Laurent, A. Villari P. Delahaye, F. Wenander, M. Marie-Jeanne, P. Suominen, L. Fraile, K. Riisager, M. Lindroos T. Lamy, T. Thuillier, J. Angot C. Barton H. Koivisto, A. Jokinen LoI JRA7 +KVI? Sytze Brandenburg

Intense multiply charged RIBs for next generation facilities RIB multi-ionization: efficient post-acceleration of any isotope along the chart –EURONS Charge breeder JRA (O. Kester) An efficient method using EBIS or ECR cb High charge states for EBIS but limitation in intensity (REXEBIS 10 9 /s) High intensity for ECR but high stable background Improvement of ECR devices for pure and intense RIBS

Dedicated devices (1) n+ isotopes from a RADIATION HARD source ECR source Target A/q, E Radiation hard coils Transfer line CIME Beam purification Gas to n + Ongoing work (up to 6 GHz?) N. Lecesne and F. Labrecque, Proceedings of EMIS07, Deauville, France MISTIC ECRIS (TRIUMF/GANIL collaboration) Next generation: 8 GHz?, 10 GHz? P. Jardin as task coordinator SPIRAL I n+ beams from Nanogan III Permanent magnets - (noble) gases mainly ARC-ECRIS Poster P20 P. Suominen

1+  n+ from an ECR charge breeder Dedicated devices (2) 1+  n+ for SPIRAL II T. Lamy, ICIS2007 Proceedings ECR cb upgrade P. Delahaye and M. Marie-Jeanne, EMIS2007 Proceedings Daresbury charge breeder at ISOLDE Phoenix ECRIS 14GHz Good efficiencies but: -high stable background -Injection of light masses (m<20) P. Delahaye et al., Rev. Sci. Instrum. 77, 03B105 (2006) HIE-ISOLDE UHV design and A/q, E separator Cooled and bunched beams! ISCOOL Online oct ECR source Target A/q, E UHV device Low Energy RIBs Postacceleration RIB manipulation 1+ to n+ 1+ Cooling Bunching RFQcb Purification, higher efficiencies and charge states

LoI JRA7 Gaining knowledge in ECR devices for RIB multi-ionization –1+/n+ gas/n+ comparison –Validity of the batch model for ECR devices! –Bunching n+ RIBs for beta beams! Exploiting novel ideas for RIB manipulation in n+ ECR devices –Radiation hard sources, ARC-ECRIS for n+ sources –Combination of an RFQ cooler and buncher and of a charge breeder –UHV charge breeder for moderate frequency Important items for SPIRAL II and HIE-ISOLDE –But also TRIUMF (Canada), KEK (Japan), ANL (US)… Relying on existing instruments or already funded equipment Support for manpower needed From R. Becker, Rev. Sci. Instrum. 71(2000)816, EBIS devices ECR with bunched beams and pulsed extraction, as for EBIS