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AGS Status and Plans RHIC Spin Collaboration Meeting 2 /11/ 11

AGS Status and Plans RHIC Spin Collaboration Meeting 2 /11/ 11. Update. Two major goals Put the jump quads into operation Minimize the emittances We have a timing setup that seems to reliably improve polarization

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AGS Status and Plans RHIC Spin Collaboration Meeting 2 /11/ 11

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  1. AGS Status and PlansRHIC Spin Collaboration Meeting2/11/11

  2. Update • Two major goals • Put the jump quads into operation • Minimize the emittances • We have a timing setup that seems to reliably improve polarization • There is ~5% intensity loss from jump quads, this cannot account for the improved polarization • Several cursory timing scans were performed, need to decide on ‘best’ times and do a thorough study (profiles, timing shifts with good statistics) • They increase the emittances enough to affect AtR efficiency, this has to be understood and improved. • Tuning the ‘no-jump-quad’ machine for optimal emittance and then turning on the jump quads does not work (snake BLM permit pulls). The quads are a significant constraint on the setup, we have to commit to running them operationally.

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