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Bolshakov, A.

Paper Title Page
THPEB002 Study on Particle Loss during Slow Extraction from SIS-100 3876
 
  • S. Sorge, O. Boine-Frankenheim, G. Franchetti
    GSI, Darmstadt
  • A. Bolshakov
    ITEP, Moscow
 
 

The heavy ion synchrotron SIS-100 will play a key role within the future FAIR project underway at GSI. Although this synchrotron is optimized for fast extraction, also slow extraction will be used. Slow extraction is based on beam excitation due to a third order resonance. The spread in the particle momenta generating a tune spread causes particle loss leading to an irradiation of the machine especially in a high-current operation. A major part of the losses is assumed to occur at the electro-static separator. In the present study we apply a tracking method to model the extraction process to predict the losses, where, in a first step, high current effects are not taken into account.