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Qiu Hao

STAR Running Status 2014, 4,15. Qiu Hao. Running Strategy. High Lumi (ZDC > 55 kHz): PXL + IST + SSD taken out (we pump di- muon , photon triggers). Mid Lumi (ZDC 55-40 kHz) and Low (ZDC 40 kHz) : PXL + IST in (priority gradually given to HFT program). STAR want steady long runs.

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Qiu Hao

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  1. STAR Running Status 2014, 4,15 Qiu Hao

  2. Running Strategy • High Lumi (ZDC > 55 kHz): • PXL + IST + SSD taken out (we pump di-muon, photon triggers) • Mid Lumi (ZDC 55-40 kHz) and Low (ZDC 40 kHz) : PXL + IST in (priority gradually given to HFT program) • STAR want steady long runs 2

  3. Luminosity and Events • luminosity hunger • running time hunger 3

  4. Data Taking Time • STAR is running efficiently • We need long steady runs for the minimum bias data set with PXL and IST (silicon vertex detectors) 4

  5. PXL Sensor Status • inner layer • outer layer 5

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