PHENIX Run8 Summary d+Au was fantastic! - x30 over Run3 baseline for future A+A new level of precision on intrinsic Cold Nuclear Matter physics now p+p.

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Presentation transcript:

PHENIX Run8 Summary d+Au was fantastic! - x30 over Run3 baseline for future A+A new level of precision on intrinsic Cold Nuclear Matter physics now p+p is the weakest part of baseline p+p was disappointing polarization was very poor a strong p+p run with ample beam/polarization development is a must for the future PHENIX efficiency for recording useful luminosity up from 50% in past to 68% now (33% in ±30 cm) DAQ developments continue to push to higher event rates but tighter z-vertex requirements in the future will lower fraction of luminosity that is useful THANKYOU to CA for a great (d+Au) Run!! 5/29/20081PHENIX - MJL

5/29/ nb -1 Run8 dAu: 30x Run3 140% of Run8 goal 160 Billion Evts dAu peaks above 3 nb -1 per day one day > total Run3 luminosity of 2.7 nb -1 RunEnergyLong.Trans GeV0.15 pb GeV0.35 pb GeV0.12 pb GeV3.4 pb pb GeV7.5 pb pb GeV0.08 pb pb GeV5.2 pb pb GeV p+p Transverse Vertical luminosity recorded (1.1 pb -1 FOM) Peak luminosity per day ~0.37 pb -1 pp - almost no progress on luminosity & polarization development towards future PHENIX - MJL

5/29/ ,000 J/    For all data 63 nb -1 6,000 J/   ee from all data 59 nb GeV d+Au 4.8 pb -1 13,000 J/    +  - for all data ( 22,000 in Run6) 200 GeV p+p PHENIX J/  ’s from Run8 PHENIX - MJL

5/29/ GeV d+Au Live Time – 89% PHENIX up – 77% Overall – 68% 200 GeV p+p Live Time – 89% PHENIX up – 69% Overall – 62% (where 10% correction for loss due to CNI measurements is made) PHENIX - MJL Efficiency for Run8 d+Au and p+p Black vertical lines are markers for Maintenance and/or APEX days About 50% of CA delivered luminosity is useful luminosity within our ±30 cm vertex range Given that, PHENIX efficiencies in Run7 were: d+Au p+p

North arm HV Repairs (bad channels in yellow): Almost All of North Arm Now Good except for one station-2 section (N222-6) [N182-6 is actually ok even though it shows disabled (yellow) here] problems fixed by removing AC coupling capacitors for (descoped) anode readout end of 2008 Run Now

South Muon arm HV partially fixed – will finish in next shutdown end of 2008 Run Now

5/29/20087 Muon W-Trigger FEE Upgrade – Final Prototype Test During Run8 PHENIX - MJL

8 MuTRG ADTX MuTRG MRG Level 1 Trigger Board Data Collecting Module MuTr FEE B 2 plane 5% 95% Trigger LV1 Trig accept IRCounting House Optical 1.2Gbps Amp/Discri. Transmit Data Merge PHENIX Muon trigger 8 LV1 Trig accept Local DAQ

91/29/2009 MuTrigger FEE Support

CNM Constraints from New Run8 d+Au J/  Data expected accuracy simulation Expected improvement in CNM constraints (red) compared to Run3 (blue) simulation J/  d+Au J/  J/  5/27/200810Mike Leitch - LANL

1/23/200911Mike Leitch - LANL PHENIX & STAR Preliminary  p+p Cross Sections 1st Upsilons at RHIC PHENIX    2005 STAR 2006 PHENIX Preliminary p+p QM05  Upsilons from Run8 d+Au? (online spectrum) +-+- ±±±±

12/7/200812MJL PHENIX Internal MJL

12/7/200813MJL PHENIX Internal MJL

12/7/200814MJL PHENIX Internal MJL