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Franchetti, G.

Paper Title Page
MOP106 Prediction of 4ν=1 Resonance of a High Intensity Linac 323
 
  • D. Jeon
    ORNL, Oak Ridge, Tennessee
  • G. Franchetti, L. Groening, I. Hofmann
    GSI, Darmstadt
  
 

The 4ν=1 resonance of a linac is found when the depressed tune is around 90 deg. It is observed that this fourth order resonance is dominating over the better known envelope instability and practically replacing it. Simulation study shows a clear emittance growth by this resonance and its stopband. Experimental measurement of the stopband of this resonance is proposed and conducted in early 2008 using the UNILAC at GSI. This study will serve as a excellent benchmarking.