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First Acceleration of Heavy Ion Beams with a Superconducting Continuous Wave HIM/GSI CW-linac
| Content Provider | Semantic Scholar |
|---|---|
| Author | Barth, Winfried Aulenbacher, Kurt Basten, Markus Busch, Marco Dziuba, Florian Gettmann, Viktor Heilmann, Manuel Kürzeder, Thorsten Miski-Oglu, Maksym Podlech, Holger Rubin, Anna Schnase, Alexander Schwarz, Malte Yaramyshev, Stepan |
| Copyright Year | 2019 |
| Abstract | First acceleration of heavy ion beams with a superconducting continuous wave HIM/GSI cw-Linac. After successful RF-testing of a new superconducting Linac RFcavity at GSI Helmholtzzentrum für Schwerionenforschung and a short commissioning and ramp up time of some days, this 15-gaps Crossbar H-cavity accelerated first time heavy ion beams with full transmission up to the design beam energy. The design acceleration gain of 3.5MV inside a length of less than 70 cm has been verified with heavy ion beam of up to 1.5 pA. The measured beam parameters show a nice beam quality. The machine commissioning with beam is a milestone of the R&D work of Helmholtz Institute Mainz (HIM) and GSI in collaboration with IAP Goethe-University Frankfurt in development of the superconducting heavy ion continuous wave linear accelerator cw-Linac. INTRODUCTION Figure1: Demonstrator CH-cavity (CH0) with two sc-solenoids inside the support frame. The design and construction of cw high intensity Linacs is a crucial goal of worldwide accelerator technology development [1]. Above all, compactness of a particle accelerator is a beneficial demand for the development of high intensity cw proton and ion Linacs [2]. In the lowand medium-energy range cw-Linacs can be used for several applications, as boron-neutron capture therapy, high productivity isotope generation and material science. A high-energy Linac is an integrated and essential part of several large scale research facilities, as spallation neutron sources or accelerator driven systems. Thus the study and investigation of the design, operation and optimization of a cwLinac, as well as progress in elaboration of the superconducting technology [3] is of high relevance. For the HIM/GSI cw-Linac HELIAC (HElmholtz LInear ACcelerator) several superconducting CHcavities operated at 217MHz should provide for ion acceleration to beam energies between 3.5MeV/u and 7.3MeV/u, while the energy spread should be kept smaller than ±3keV/u. The cw-Linac allows the acceleration of highly charged ions with a mass to charge ratio of up to 6. For proper beam focusing superconducting solenoids have to be mounted between the CH cavities. The general parameters are listed in Table 1 [4]. R&D and prototyping (demonstrator project) [5] in preparation of the proposed HELIAC is assigned to a collaboration of GSI, HIM and GUF. The demonstrator setup is located in straightforward direction of the GSI–High Charge State Injector (HLI). Table 1: Design Parameters of the cw-Linac |
| Starting Page | 297 |
| Ending Page | 302 |
| Page Count | 6 |
| File Format | PDF HTM / HTML |
| DOI | 10.18429/JACoW-LINAC2018-TU2A01 |
| Alternate Webpage(s) | http://accelconf.web.cern.ch/AccelConf/linac2018/papers/tu2a01.pdf |
| Alternate Webpage(s) | http://linac2018.vrws.de/talks/tu2a01_talk.pdf |
| Alternate Webpage(s) | https://doi.org/10.18429/JACoW-LINAC2018-TU2A01 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
