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Oliver, C.

Paper Title Page
TUPEA014 Alignment and Magnet Error Tolerances for the High Energy Beam Transport Line for the IFMIF-EVEDA Accelerator 1354
 
  • C. Oliver, B. Brañas, A. Ibarra
    CIEMAT, Madrid
  • A. Mosnier, P.A.P. Nghiem
    CEA, Gif-sur-Yvette
 
 

The design of the future IFMIF accelerators will be validated with the 9 MeV, 125 mA deuteron accelerator IFMIF-EVEDA. For this validation phase, a High Energy Beam Transport line (HEBT) is designed to drive the beam toward a beam dump with the required expansion, under the hands-on maintenance constraint. It consists of eight quadrupoles and one dipole. Given the very high space charge regime and the very high power (1.1 MW), any small deviation from the nominal conditions could seriously compromise the HEBT objective. That is why possible misalignments and rotations of those magnets as well as power supply errors have been thoroughly studied. The error budget is fairly distributed among the tolerances for the different components, and effects of those errors on loss distribution and beam profile at the beam dump entrance carefully analysed.