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| Contribution to a conference proceedings/Contribution to a book | GSI-2019-00507 |
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2018
JACoW Publishing, Geneva, Switzerland
9th International Particle Accelerator Conference, IPAC2018, VancouverVancouver, Canada, 22 Feb 2019 - 22 Feb 2019 JACoW Publishing, Geneva, Switzerland 943-945 (2018) [10.18429/JACOW-IPAC2018-TUPAF088]
Please use a persistent id in citations: doi:10.18429/JACOW-IPAC2018-TUPAF088 doi:10.15120/GSI-2019-00507
Abstract: The upcoming FAIR project (Facility for Antiproton and Ion Research) at GSI will use the existing UNILAC (UNIversal Linear Accelerator) as an injector to provide high intensity heavy ion beams at low repetition rates. As a consequence a new superconducting (sc) continous wave (cw) high intensity heavy ion Linac is required to provide ion beams above the coulomb barrier to keep the Super Heavy Element (SHE) physics program at GSI competitive on an international level. The fundamental Linac design comprises a high performance ion source, the High Charge State Injector (HLI) upgraded for cw-operation and a matching line (1.4 MeV/u) followed by a sc Drift Tube Linac (DTL). Four cryo modules each equipped with three Crossbar-H-mode (CH) structures provide for acceleration up to 7.3 MeV/u. The first section of this ambitious accelerator project has been successfully commissioned and tested with heavy ion beam from the HLI in 2017. It comprises two sc 9.3 T solenoids and a sc 217 MHz CH-cavity with 15 equidistant gaps as a demonstrator. The construction of the next two sc 217 MHz 8 gap CH-cavities is nearly finished and final factory-side measurements will be presented.
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