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Work in progress ..

Work in progress. Beam tracking with SAD through ATF combined optics: extraction line and proposed KEK final focus Three tracking routines (good agreement) Mauro Pivi, Okugi-san, Andrei Seryi. SAD: Combined extraction line and final focus. BX. BY. b 1/2 (m). DX (m).

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Work in progress ..

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  1. Work in progress .. • Beam tracking with SAD through ATF combined optics: extraction line and proposed KEK final focus • Three tracking routines (good agreement) Mauro Pivi, Okugi-san, Andrei Seryi

  2. SAD: Combined extraction line and final focus BX BY b 1/2 (m) DX (m)

  3. Beam tracking with SAD Not yet combined: only final focus As expected

  4. Beam tracking with SAD All line combined: extraction + final focus DP (%) sigx (m) sigy (m) sigx/sigx0 sigy/sigy 0.0 3.8504E-06 34.615E-09 1.00 1.00 0.1 4.8265E-06 41.496E-09 1.25 1.19 0.15 1.7741E-05 63.499E-09 4.6 1.8 0.2 9.1840E-05 1.0823E-07 24.1 3.17 Is real effect ? Need to re-check combined optics ?!

  5. Bandwidth at “IP”: BX and BY vs energy spread DP SAD MAD

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