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Würzburg 2018 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 8: Poster session

AKBP 8.23: Poster

Wednesday, March 21, 2018, 18:00–19:30, NW-Bau - HS2

Long-term performance of the Marburg Ion-Beam Therapy Centre Accelerator — •Adrian Weber1, Claude Krantz1, Benno Kröck1, Uwe Scheeler1, Rainer Cee2, Michael Galonska2, Andreas Peters2, Stefan Scheloske2, Christian Schoemers2, and Thomas Haberer1,21Marburger Ionenstrahl-Therapiezentrum, 35043 Marburg — 2Heidelberger Ionenstrahl-Therapiezentrum, 69120 Heidelberg

The Marburg Ion-Beam Therapy Centre (MIT) has been in clinical operation since October 2015. The raster scanning technique provides a precise and accurate radiation dose application employing beams of either protons or carbon nuclei. The accelerator, developed by Siemens/Danfysik, consists of an RF linear accelerator and a 65 m synchrotron. During treatment, the position, shape and intensity of the ion beam is monitored online at the beam outlet by the Therapy Control System. In addition, the quality of the beam along the accelerator is monitored by online measurements of beam properties using non-invasive beam diagnostics as well as by dedicated daily performance checks involving also destructive measurements. We present our experience on the machine stability from the first two years of operation of MIT as well as ongoing work to improve analysis tools for long-term monitoring of beam properties. A possible extension of the daily quality assurance tests based on the experience gathered so far is under investigation.

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