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RHIC Status of pp Run11

RHIC Status of pp Run11. Haixin Huang. Time Meeting 01/04/2011. Critical Systems. AGS is robust to deliver 60-65% polarization with 1.5*10 11 AtR : beam has been dumped into W dump. Ramp System Tested successfully. Two ramps in hands: one regular one and one with D’ shifted down

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RHIC Status of pp Run11

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  1. RHIC Status of pp Run11 Haixin Huang Time Meeting 01/04/2011

  2. Critical Systems • AGS is robust to deliver 60-65% polarization with 1.5*1011 • AtR: beam has been dumped into W dump. • Ramp System • Tested successfully. • Two ramps in hands: one regular one and one with D’ shifted down • RHIC Injection • Switching between 9/28MHz cavities is expected to be smooth • RHIC CNI polarimeters • Dry run for down stream polarimeter has finished. Test run for upstream polarimeter will happen tomorrow. • Tune/orbit feedback on the ramp • Tune feedback is successful, orbit feedback will require beam for further test. The feedback system is expected to be ready for the first ramp.

  3. Schedule • Jan. 3-9 Cryo cool down, not much beam activity is expected, just a few owl shifts over the weekend. • The most optimistic estimate is to start beam setup in blue Friday night. Power supply work will take two shifts per day for the weekend, probably also first a few days next week. • The 9AM meeting will start on Friday. • The 3:30PM meeting for beam development will start when we have beam time during day time.

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