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TY - CPAPER AU - Basten, M. AU - Amberg, M. AU - Aulenbacher, K. AU - Barth, W.A. AU - Busch, M. AU - Dziuba, F.D. AU - Gettmann, V. AU - Heilmann, M. AU - Mickat, S. AU - Miski-Oglu, M. AU - Mäder, D. AU - Podlech, H. AU - Schwarz, M. TI - R&D Status of the New Superconducting CW Heavy Ion LINAC@GSI J2 - Proc. of International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 AB - To keep the ambitious Super Heavy Element (SHE) physics program at GSI competitive a superconducting (sc) continuous wave (cw) high intensity heavy ion LINAC is currently under progress as a multi-stage R&D program of GSI, HIM and IAP*. The baseline linac design consists of a high performance ion source, a new low energy beam transport line, an (cw) upgraded High Charge State Injector (HLI), and a matching line (1.4 MeV/u) which is followed by the new sc-DTL LINAC for post acceleration up to 7.3 MeV/u. In the present design the new cw-heavy ion LINAC comprises constant-beta sc Crossbar-H-mode (CH) cavities operated at 217 MHz. The advantages of the proposed beam dynamics concept applying a constant beta profile are easy manufacturing with minimized costs as well as a straightforward energy variation**. An important milestone will be the full performance test of the first CH cavity (Demonstrator), in a horizontal cryo module with beam. An advanced demonstrator setup comprising a string of cavities and focussing elements is proposed to build from 10 short CH-cavities with 8 gaps. The corresponding simulations and technical layout of the new cw heavy ion LINAC will be presented. PB - JACoW CY - Geneva, Switzerland SP - 258 EP - 261 KW - cavity KW - linac KW - simulation KW - ion KW - operation DA - 2015/12 PY - 2015 SN - 978-3-95450-178-6 DO - 10.18429/JACoW-SRF2015-MOPB066 UR - http://srf2015.vrws.de/papers/mopb066.pdf ER -