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Bunch Compression at ATF2 with Chicane and NLC-like Optics

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Study on bunch compression in ATF2 using a chicane and NLC-like optics with RF cavity parameters for optimal compression. Various VRF and fRF settings tested for improved performance.

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Bunch Compression at ATF2 with Chicane and NLC-like Optics

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Presentation Transcript

  1. SLAC Feb 2005 Bunch compression in the ATF2 M. Pivi, A. Seryi, P. T. February 15, 2005

  2. ATF2 Extraction line with chicane and NLC-like final focus optics FF optics: with IP bx,y= 4.0,0.1mm, L*=1 m.

  3. Computing R56 and T566from each position to IP

  4. RF cavity for bunch compression In the 2nd order approximation (U5666d << T566)

  5. Bunch compression VRF=10 MV l=0.05m fRF=p/2 - 3 0.38m long cavity at 25MV/m

  6. Previous:fRF=p/2 -3.0 Different phases VRF=10 MV l=0.05m fRF=p/2 fRF=p/2 -2.8 fRF=p/2 -4.0

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