| Paper |
Title |
Page |
| MOP046 |
Commissioning of the 7-MeV/u, 217-MHz Injector Linac for the Heavy Ion Cancer Therapy Facility at the University Clinics in Heidelberg
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148 |
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- B. Schlitt, R. Baer, W. Barth, T. G. Fleck, M. Hoerr, G. Hutter, C. M. Kleffner, M. T. Maier, A. Peters, M. Schwickert, K. Tinschert, W. Vinzenz, H. Vormann, D. Wilms
GSI, Darmstadt
- R. Cee, E. Feldmeier, B. Naas, S. Scheloske, J. Suhm, S. Vollmer, T. Winkelmann
HIT, Heidelberg
- G. Clemente, U. Ratzinger, A. Schempp
IAP, Frankfurt-am-Main
- S. Minaev
ITEP, Moscow
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A clinical synchrotron facility designed by GSI for cancer therapy using energetic proton and ion beams (C, He and O) is under construction at the university clinics in Heidelberg, Germany. In this contribution the current status of the injector linac is reported. The installation and commissioning of the linac is performed gradually in three steps for the ion sources and the LEBT, the 400 keV/u RFQ and the 7 MeV/u IH-type drift tube linac. Two powerful 14.5 GHz permanent magnet ECR ion sources from PANTECHNIK as well as the LEBT and the linac RF system have been installed in Heidelberg between November 2005 and March 2006. A test bench with versatile beam diagnostics elements has been designed and installed for the commissioning phase. In April 2006 the two ion sources produced the first ion beams on the site. Extensive RFQ tests using proton beams have been performed at test benches at the IAP and at GSI already during 2004-2006. The 1.4 MW 217 MHz amplifier for the IH tank has also been commissioned at a test setup at GSI in advance to the installation in Heidelberg. The RF tuning of the 20 MV IH-DTL cavity is performed by the IAP in close cooperation with GSI.
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| THP089 |
Testbench of the HICAT RFQ at GSI
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791 |
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- C. M. Kleffner, R. Baer, W. Barth, M. Galonska, F. Heymach, R. Hollinger, G. Hutter, W. Kaufmann, M. T. Maier, A. Reiter, B. Schlitt, M. Schwickert, P. S. Spaedtke, W. Vinzenz
GSI, Darmstadt
- A. Bechtold, A. Schempp
IAP, Frankfurt-am-Main
- R. Cee, E. Feldmeier, S. Vollmer
HIT, Heidelberg
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In April 2006 the commissioning of the ion linac for the HICAT therapy facility in Heidelberg, Germany was started. In preparation of this commissioning process beam tests of the RFQ cavity with protons were carried out at GSI. The RFQ cavity for the HICAT facility was delivered to GSI in March 2005. The operation with an rf power up to 200 kW and a pulse width of 500 μsec could be accomplished successfully after a short time of rf-conditioning to assure the operation mode with carbon ions. A testbench for the RFQ cavity was constructed at GSI to allow for exact measurements of the output energy with the time of flight (ToF) method in addition to the beam tests at IAP Frankfurt. Due to the fact that the rebuncher is fully integrated into the RFQ rf-structure beam studies with different mechanical settings of the rebuncher had to be conducted. For each setting the effective voltage of the rebuncher could be estimated. The final mechanical setting was chosen with respect to required longitudinal matching to the IH structure behind of the RFQ.
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