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Booster Corrector Upgrade

Booster Corrector Upgrade . October 11 2010 William Pellico. History. Olden days - Booster Correctors DC supplies that had limited correction strength Quadrupoles limited to < 1 amp RMS current Dipoles limited to < 6 amps RMS current Alignment –

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Booster Corrector Upgrade

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  1. Booster Corrector Upgrade October 11 2010 William Pellico

  2. History • Olden days - Booster Correctors • DC supplies that had limited correction strength • Quadrupoles limited to < 1 amp RMS current • Dipoles limited to < 6 amps RMS current • Alignment – • Done by Booster Personnel with no alignment fixtures • Very Limited Orbit Control – mostly low energy • Very Little harmonic control – mostly low energy • Upgraded in late 80’s with ramped power • Allowed for higher current – due to ramp down at end of cycle. Still limited by RMS and slew rates!

  3. Old Corrector (Saddle Style Package)

  4. New Corrector

  5. Short Straight Corrector Package

  6. Multi-Element Corrector Design Orange – horizontal dipole Bright green – vertical dipole Open green – normal quadrupole Red – skew quadrupole Magenta – normal sextupole Blue – skew sextupole Taken From: Booster Corrector Review 10 Oct 2006 Harding - Magnet Design and Fabrication

  7. Booster Corrector Magnets • New Booster Corrector Magnet Package Before Potting

  8. Old - New OLD • Horizontal trim • 4 amps • Vertical trim • 5.6 amps • Quadrupole • 1 amp • Skew Quadrupole • .3 amps • Short straights: Horizontal ramped, Vertical DC • Long straights: Vertical ramped, Horizontal DC • Sextupoles are in separate packages • 12 Horizontal • 9 Vertical New • Normal Sextupole • 1.41 T/m • 2350 T/m/s • Skew Sextupole • 1.41 T/m • 2350 T/m/s • Horizontal Dipole • Be able to produce 1 cm of beam motion at highest beam energy (8GeV). • Be able to slew position 1 mm/ms up to the middle of the cycle • 0.009 T-m • 3.24 T-m/s • Vertical Dipole • 0.015 T-m • 3.24 T-m/s • Normal Quadrupole • 0.16 T • 88 T/s • Skew Quadrupole • 0.008 T • 0.8 T/s

  9. Corrector Installation Completed Beam Loss vs. 1E12 Beam Intensity for Past 5 Years Record Intensity Running Limited by Shielding Assessment

  10. Recent Running

  11. It was 10 years ago today….

  12. Project Worker Bees – Over 120 People Proton Source Craig Drennan Eric Prebys Todd Sullivan Jim Lackey W Pellico Doris Dick AD Mechanical – Key Group (too many to list) Dave Augustine Ben Ogert Joel Misek Maurice Ball Justin Briney Robert Slazyk Scott Oplt John Buck Jason Kuinski Management Bruce Baller Roger Dixon Steve Holmes Kenneth Domann • EE Support • George Krafczyk • Kenneth Sievert • John Brown • Controls • Dan McArthur • Joseph Gomilar • Mike Kucera • Bill Marsh • Alignment Group – Key Group with lots of input • O’ShegOshinowo • TD • David Harding • George Velev • Sasha Makarov • Joseph DiMarco • TJ Gardner • Vladimir Kashikhin • Dan Smith • Safety • Joel Fulgham • Instrumentation • Jim Crisp • James Fitzgerald • Operations • Duane Newhart

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