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Booster Acceptance, Apertures, and Alignment Kiyomi Seiya

Booster Acceptance, Apertures, and Alignment Kiyomi Seiya. Contents. Magnets in the Booster Survey and data analysis Magnet move Lattice calculation Aperture scan. Main components in the Booster. F-magnet * 48 D-magnet * 48 Corrector * 48 H & V dipole Normal & Skew Quad

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Booster Acceptance, Apertures, and Alignment Kiyomi Seiya

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  1. Booster Acceptance, Apertures, and Alignment KiyomiSeiya Proton Source Workshop

  2. Contents • Magnets in the Booster • Survey and data analysis • Magnet move • Lattice calculation • Aperture scan Proton Source Workshop

  3. Main components in the Booster • F-magnet * 48 • D-magnet * 48 • Corrector * 48 • H & V dipole • Normal & Skew Quad • Normal & Skew Sextupole • BPM @ Long & @Short Proton Source Workshop

  4. FOFDOOD D F C D F C Long straight section Short straight section Proton Source Workshop

  5. Survey and data analysis • December, 1993(S. Shukla) • F-magnet, D-magnet • April, 2005 (O. Oshinowo, P. Kasper) • F-magnet, D-magnet • BPM • August , 2009(O. Ohinowo) • F-magnet, D-magnet • Corrector magnet • RF cavity Proton Source Workshop

  6. Magnet move • December, 1993(S. Shukla) • Moved magnets and improved aperture • April, 2005 (J. Lackey) • Moved F & D in horizontal & vertical Proton Source Workshop

  7. Lattice calculation • Shukla’s program - Java application (A. Wallace) • Last update was in 2006 • MAD v8 – Console application (W. Marsh) • 1994 (C. Johnstone) • Calculated with alignment error on F & D magnet and compared with ideal lattice • 2001-2003 (A. Drozhdin) • Calculated Dog leg magnet at injection and compared with measurement. • 2010 (J. Lackey) • Put all components including new correctors Proton Source Workshop

  8. Aperture scan • November, 1994 (D. McGinnis, S.Shukla) • B75 • Moved magnets • December, 2003 (B. Pellico) • Before septa was moved to MI-8 from L13. • December, 2004 (B. Pellico) • Measured lager aperture after septa was moved. Proton Source Workshop

  9. Orbit data with 3 bump Proton Source Workshop

  10. Aperture scan with B75 • Using 3bump • DCCT • Need to be modified for the new correctors • CAMAC card (465  473) • Bump ratios • Current limit Proton Source Workshop

  11. Aperture scan on current operation • Using 3bump • Loss monitor • H: F-magnet • V: D-magnet Proton Source Workshop

  12. Loss monitor V Loss monitor H Loss monitor Proton Source Workshop

  13. Next… • Aperture scan • 1 bump, 3 bump or 5 bump • Modified B75 • Survey data analysis • Data from August, 2009 • Lattice calculation • Make sure that all elements are in MAD file. • Put in alignment error. • Compare with Shukla’s. Proton Source Workshop

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