CERN Accelerating science

Published Articles
Report number CERN-ACC-2018-130 ; CLIC-Note-1148
Title High Gradient Performance of an S-Band Backward Traveling Wave Accelerating Structure for Medical Hadron Therapy Accelerators
Author(s) Vnuchenko, Anna (Valencia U., IFIC) ; Benedetti, Stefano (CERN) ; Blanch Gutiérrez, Cesar (Valencia U., IFIC) ; Catalán Lasheras, Nuria (CERN) ; Esperante Pereira, Daniel (Valencia U., IFIC) ; Faus-Golfe, Angeles (Orsay, LAL) ; Grudiev, Alexej (CERN) ; Koubek, Benjamin (CERN) ; Lucas, Thomas (U. Melbourne (main)) ; McMonagle, Gerard (CERN) ; Pitman, Sam (Cockcroft Inst. Accel. Sci. Tech. ; CERN) ; Syratchev, Igor (CERN) ; Volpi, Matteo (U. Melbourne (main)) ; Woolley, Benjamin (CERN) ; Wuensch, Walter (CERN)
Publication 2018
Number of pages 4
In: 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPML043
DOI 10.18429/JACoW-IPAC2018-MOPML043
Subject category Accelerators and Storage Rings
Abstract The high-gradient performance of an accelerating structure prototype for a medical proton linac is presented. The structure was designed and built using technology developed by the CLIC collaboration and the target application is the TULIP (Turning Linac for Proton therapy) proposal developed by the TERA foundation. The special feature of this design is to produce gradient of more than 50 MV /m in low-β accelerating structures (v/c=0.38). The structure was tested in an S-band test stand at CERN. During the tests, the structure reached over above 60 MV/m at 1.2 μs pulse length and breakdown rate of about 5x10⁻⁶ bpp. The results presented include ultimate performance, long term behaviour and measurements that can guide future optimization.
Copyright/License CC-BY-3.0

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