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Work in progress..  Beam tracking with SAD through ATF combined optics: extraction line and proposed KEK final focus  Three tracking routines (good.

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Presentation on theme: "Work in progress..  Beam tracking with SAD through ATF combined optics: extraction line and proposed KEK final focus  Three tracking routines (good."— Presentation transcript:

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2 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

3 DX (m) BX BY  1/2 (m) SAD: Combined extraction line and final focus

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

5 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 ?!

6 MAD Bandwidth at “IP”: BX and BY vs energy spread DPSAD


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