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RHIC Operation Status

RHIC Operation Status. Yun Luo, yluo@bnl.gov ( 2012 June 26, Time Meeting ). Operation Updates.

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RHIC Operation Status

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  1. RHIC Operation Status Yun Luo, yluo@bnl.gov ( 2012 June 26, Time Meeting )

  2. Operation Updates In the last week of 2012 Cu-Au run, we suffered 3 days of high temperature and a thunder storm on Friday which caused power line disconnection. We continued improving blue bunch intensity: Highest Blue bunch intensity: 5.3e9 at injection ( Fill 17014 ), 4.4e9 at store ( Fill 17014 ). Highest Yellow bunch intensity: 1.5e9 at injection, 1.4e9 at store ( Fill 16993 ). Highest initial Phenixrate 64kHz ( Fill 17014). Star calorimeter test at IP2 more than 30hours. All detectors reached their goals by Sunday morning. Major Machine Failures: Wed: 1002A A/C problem, ~7 hours loss, followed by several failed ramps: Blue QLI, Yellow BBQ locking, BA1 tripped Fri: Power dip caused by thunder storm in the afternoon Sat: H10 diagnosis and repairing delayed recovering Sun: 96 faraday cup stuck in Linac beam pipe

  3. Beam Intensities & Experiment Rates 2 QLI Pre-fire QLI bo6tq5 Power-dip / Power line splice~8hrs /H10 failure 96f cup stuck A/C Failure others

  4. Integrated Luminosity ( C-AD ) Phenix Star

  5. Thank you to everyone!

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