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Injection into the PEDM Ring

Injection into the PEDM Ring. W. Morse. 2m for injection – can we get enough kick?. Green is E821-type kick (90% in 2m). Maroon is Talman-type kick (10%). E821 No Ferrite Kicker Magnet. E. Efstathiadis et al., NIMA 496, 8 (2003). Magnetic Kick. E821 kick vs. PEDM kick.

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Injection into the PEDM Ring

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  1. Injection into the PEDM Ring W. Morse W. Morse March 14, 2011

  2. 2m for injection – can we get enough kick? W. Morse March 14, 2011

  3. Green is E821-type kick (90% in 2m). Maroon is Talman-type kick (10%). W. Morse March 14, 2011

  4. E821 No Ferrite Kicker Magnet E. Efstathiadis et al., NIMA 496, 8 (2003) W. Morse March 14, 2011

  5. Magnetic Kick W. Morse March 14, 2011

  6. E821 kick vs. PEDM kick W. Morse March 14, 2011

  7. Frank Krienen Proposed E821 Electric Kicker • Marx generator for PFN. • Couldn’t satisfy E821 30Hz requirement. • Thyratron and step-up transformer. • Not elegant. • Marx generator is fine for PEDM. • Frank assumed E = 5MV/m (before HPWR, etc.) W. Morse March 14, 2011

  8. Electric Kick Gain 1/0.6 = 1.4 W. Morse March 14, 2011

  9. Cartoon – Not to Scale 1.8m 0.5m Talman kick 0.1 -160KV 3cm +160KV E821-type kick 0.9 C quad/sextupole W. Morse March 14, 2011

  10. Conclusions • Needs study. • Frank Krienen type electric kicker may be the best. • Needs study. • We can’t prove that 2m injection straight section isn’t long enough, • yet. W. Morse March 14, 2011

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