Beams Document 3857-v1

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Main Injector Counterwave Properties and MI300 Collimator Motion Limits

Document #:
Beams-doc-3857-v1
Document type:
Note
Submitted by:
Bruce C. Brown
Updated by:
Bruce C. Brown
Document Created:
26 Apr 2011, 14:30
Contents Revised:
26 Apr 2011, 16:02
Metadata Revised:
26 Apr 2011, 16:02
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Abstract:
The counterwave orbit distortions used to optimize the aperture available for Main Injector beam transfers to and from the Recycler Ring displace the circulating beam in the region from LAM321 to K403 or from K304 to LAM222. The Main Injector Collimation System impacts apertures in this region. This note will review the motion limits for collimators which leave room for transfer of anti-protons from MI to RR and from RR to MI. At the same time, the counterwave implementation will be reviewed and enhanced in order to match the transfer orbit to an improved 8 GeV orbit which has lower losses near LAM321 for high intensity 8 GeV injected beam.
Files in Document:
Other Files:
  • FermiLogo (fermi_logo_1.gif, 210 bytes)
  • Fig 1 (LAM321CntrWaveVariation.gif, 11.4 kB)
  • Fig 2 (LossLAM321_Dec2010.gif, 42.1 kB)
  • Fig 3 (LAM321Orbits.gif, 20.7 kB)
  • Fig 4 (LAM222Orbits.gif, 14.8 kB)
  • Fig A1a (T61-02image.gif, 11.9 kB)
  • Fig A1b (T61-14image.gif, 12.2 kB)
  • Fig A2 (T63BeamSyncClock.gif, 11.0 kB)
  • Fig A3a (I14_H304_23ramp.gif, 14.4 kB)
  • Fig A3b (I14_H304_29ramp.gif, 16.7 kB)
  • Fig A4a (H304CntrWaveE4.gif, 16.7 kB)
  • Fig A4b (H318CntrWaveE4.gif, 16.7 kB)
  • Fig A4c (H320CntrWaveE4.gif, 16.6 kB)
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