Run 9 polarized proton Log

• 9 Jan begin 45 degree cool down from room temp (3 MW-NEW)• 2 Feb, Cool-down to 4.5 degrees begins• 5 Feb, Blue ring cold but still stabilizing• 7 Feb, beam injected into Blue ring, • 8 Feb, Yellow cold but still stabilizing• 9 Feb, 2 week “Setup” mode begins (0.5 weeks early)• 13 Feb, Beam injected into Yellow ring • 14 Feb, STAR magnet on, ramp development begins• 17 Feb Nov, First collisions @ s = 500 GeV (2.3 weeks into run – a record!)• 24 Feb, “Ramp-Up” mode begins, overnight stores for experiments• 6 Mar, Machine in “Physics” mode, integrated lumi begins• 16 Mar, Spin rotator ramps established, longitudal polarization available• 17 Mar Experiments in Physics mode• 13 April (1200), end s = 500 GeV physics (3.9 weeks), begin last s = 500 GeV beam

development followed by new low level RF setup• 15 April (0800), Maintenance and s = 200 GeV ramp setup• 15 April (2100), begin setup with beam for s = 200 GeV • 20 April (2341), s = 200 GeV physics begins (8 days early) with further ramp-up• 21 April (1802), PHENIX physics begins• 23 April , STAR physics begins• 29 June (0800), end s = 200 GeV main physics run (10 weeks)• 29 June (0800), setup for pp2pp at STAR run begins, PHENIX remains on• 30 June (0009), pp2pp Physics on but beam tune-up continues• 4 July (1000), pp2pp ends (0.6 weeks), beam studies at s = 500 GeV begin• 6 July (1000), RHIC beam studies end, cryo warmup begins• 8 Jul, cryo warm-up ~complete, 22.3 weeks cryo operation

Run 9 s = 500 GeV Physics Goals

• PHENIX~75 pb-1 delivered, ~25 pb-1 recorded

~50% polarization, quality factor is P2L = 19 pb-1 delivered

• STAR~ 30 pb-1 delivered, ~ 10 pb-1 recorded

~ 50% polarization, quality factor is P2L = 7.5 pb-1 delivered

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Run 9 250 x 250 GeV polarized protons

Integrated Luminosity - Final

Machine

STAR-Physics

PHENIX-Physics~Phenix goal (25 pb-1 recorded)With 50% longitudal polarization P2L QF

~Star goal (10 pb-1 sampled)with 50% longitudal polarization P2L QF

Experiments start physics with longitudal polarization

Blue average polarization (preliminary Jet target) = 33.1 ± 0.8 %Yellow average polarization (preliminary Jet target) = 35.1 ± 0.9 %

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Run9 (√s=500 GeV) -- STAR / PHENIX Figure of Merit Jet Target Average (Longitudinal Polarization)

Lmin*P 2̂ <P>=0.5 in 8 wks

Lmax*P 2̂ <P>=0.6

STAR (NOT singles corrected)

Phenix (singles corrected)PHENIX goal

STAR goal

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Run 9 250 x 250 GeV Jet Target, final preliminary results

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Blue average = 33.1 ± 0.8 %Yellow average = 35.1 ± 0.9 %

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Run 9 250 x 250 GeV Jet Target, final preliminary resultseach point (except last) is average over 5 stores

Blue Jet

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Blue average = 33.1 ± 0.8 %Yellow average = 35.1 ± 0.9 %

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Jet Target Measurements in RHIC after 10 MarchAGS measurement from AGS eLog close in time to RHIC store AGS

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Y-Jet

Archive

UNCALIBRATED

CNI (Yellow-1) Measurements in RHIC after 10 Marchaverages for each physics store

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CNI (Y2/Y1 Average) Measurements in RHIC after 10 March, averages for each physics store

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Run 9 Physics stores, 10 March – 13 April - Final

Y2 vs Y1 CNI at Store

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AGS measurement close in time to RHIC store

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AGS measurement close in time to RHIC store

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FY 2007-9 Power Bill

$(20)

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Without BalancedBillingBalanced BillingProjectionRHIC ON

CNI (Yellow-2) Measurements in RHIC after 10 Marchfor each physics store

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CNI (Yellow-1) Measurements in RHIC after 10 Marchfor each physics store

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AGS pp log, 23 Feb 09, 00:26

P2 x I2/(average emitx,y)

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AGS Polarization and Emittance vs Bunch Intensity

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AGS Polarization and Emittance vs Bunch Intensity

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AGS Polarization and emittance, p2L estimate into RHIC