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PHENIX Status

PHENIX Status. John Haggerty Brookhaven National Laboratory. Turning on, tuning up. We saw our first collisions in Run 9 this morning Timing looked pretty much the same as Run 8 pp Backgrounds are high, wire chambers remain off Worked with local polarimeter. Polarimeter development.

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PHENIX Status

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  1. PHENIX Status John Haggerty Brookhaven National Laboratory

  2. Turning on, tuning up • We saw our first collisions in Run 9 this morning • Timing looked pretty much the same as Run 8 pp • Backgrounds are high, wire chambers remain off • Worked with local polarimeter

  3. Polarimeter development • We started working with polarimetry with the SMD this morning

  4. Backgrounds Backgrounds started very high!

  5. The plan • Do trigger, local polarimeter, HBD setup in the next week • Rotator repair Wednesday, March 5 • Ramp/experiment setup for longitudinal run for a couple days • Begin week of physics with +- field after rotator ramp complete • Change field to ++ around a week later (~March 12, takes a couple of hours

  6. What we need to run • Uninterrupted beam delivery during setup • Transverse polarization ok • Low backgrounds • Zero field runs at end of fills • Vernier scan(s)

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