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Walter, G.

Paper Title Page
FPAE075 Radiation Damage to the Elements of the SIS300 Dipoles 3943
 
  • E. Mustafin, J. Kaugerts, G. Moritz, G. Walter
    GSI, Darmstadt
  • L.N. Latysheva, N. Sobolevskiy
    RAS/INR, Moscow
  
  Funding: Supported by the grant of the GSI-INTAS Project #03-54-3588.

Radiation damage to various elements of the cosine-theta type dipoles of the SIS300 synchrotron of the FAIR Project was calculated. Among the elements under consideration were the superconducting cable, insulating materials, and high-current by-pass protection diodes. The Monte-Carlo particle transport codes MARS and SHIELD were used to simulate propagation of the lost ions and protons, together with the products of nuclear interactions in the material of the elements. It was found that the lifetime of the protection diodes under irradiation is a more restrictive limit for the tolerable level of beam losses than the occurrence of magnet quenches.