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TIME Meeting, M. Minty, January 18, 2011

Instrumentation Systems RHIC RUN-11 Startup. ramp development with simultaneous orbit, tune, and coupling feedback new timing setup procedure (defer) new global orbit feedback (defer). TIME Meeting, M. Minty, January 18, 2011. Ramp Development, RHIC RUN-11. post mortem, RUN-9:.

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TIME Meeting, M. Minty, January 18, 2011

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  1. Instrumentation Systems RHIC RUN-11 Startup ramp development with simultaneous orbit, tune, and coupling feedback new timing setup procedure (defer) new global orbit feedback (defer) TIME Meeting, M. Minty, January 18, 2011

  2. Ramp Development, RHIC RUN-11 post mortem, RUN-9: leading cause of failure: poor orbit control post-shutdown commissioning: RUN-9 : 13 ramps until blue/yellow at 250 GeV RUN-11: 4 ramps until blue/yellow at 250 GeV

  3. Ramp Development, RHIC RUN-11 tune / coupling feedback - Y. Luo, A. Marusic, K. Mernick, M. Minty, M. Wilinski, + operations history: proof-of-principle in RUN-6 (P. Cameron, Y. Luo, R. Jones et al) considerable modifications just before and during RUN-9 operational in RUN-10 RUN-8 RUN-9 RUN-11 TUNES COUPLING fill 9922 fill 14822 fill 10057

  4. Ramp Development, RHIC RUN-11 orbit feedback – A. Marusic, M. Minty, V. Ptitsyn, G. Robert-Demolaize history: proof-of-principle in RUN-10 BPM polarity reversal, early RUN-10 ORBITS measured just after attaining first ramp to 250 GeV: RUN-11 (blue) RUN-11 (yellow) RUN-9 horizontal vertical fill 10057 fill 14822 fill 14822

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