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P5 recommendation on Tevatron running

P5 recommendation on Tevatron running. Report of June 8 meeting FNAL. Charges. Should the Tevatron run through the end of FY09 as currently planned? What are the factors and considerations which might lead to running beyond FY09?. Subject of June 8 meeting. Run through FY09?.

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P5 recommendation on Tevatron running

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  1. P5 recommendation on Tevatron running Report of June 8 meeting FNAL

  2. Charges • Should the Tevatron run through the end of FY09 as currently planned? • What are the factors and considerations which might lead to running beyond FY09?

  3. Subject of June 8 meeting Run through FY09? • Will the accelerator deliver interesting level of integrated luminosity? • Can the detectors handle the luminosity? • Do the collaborations have the people to operate the detectors and analyze the data?

  4. Running beyond FY09 • What is present reach and prospect for new discoveries? • Trigger issues • Endgame strategy • Battling the sqrt N barrier--will a few more fb-1 matter?

  5. Might know more after analyses for Summer conferences Meet again in September to consider Running beyond FY09 • What is present reach and prospect for new discoveries? • Trigger issues • Endgame strategy • Battling the sqrt N barrier--will a few more fb-1 matter?

  6. Close to present performance Accelerator projections • Driving indicators • 25 mA/hr stacking • > 100 store hours per week

  7. D0 detector performance • Basically running well, producing nice results • Remaining issues for 09: • Silicon radiation damage • Fiber tracker occupancy

  8. Silicon tracker • Good to go for 09

  9. Fiber tracker Beginning of store More typical

  10. CDF Detector • Running well, producing nice results • Issues • Inner silicon radiation damage • Intermediate silicon cooling problem

  11. SVX Layer 0 Central Prediction 300 +1σ Prediction –1σ Prediction Bias Scan Data 200 Depletion Voltage (V) maximum bias voltage 100 0 0 2 4 6 8 Integrated Luminosity (fb–1) Model: S. Worm, Lifetime of the CDF Run II Silicon, VERTEX 2003 Silicon radiation • Good to go through 09

  12. ISL cooling Port card cooling ring Manifold good bad Cooling Pipes hole Repair in Aug with “reverse angioplasty”

  13. D0 people power 1--needs actuals

  14. 184 - 124 = 60 D0 people power 2- available or

  15. CDF people power 1--needs * FTE’s

  16. CDF people power 2--available

  17. Committed Likely Unknown CDF people power 3--expertise

  18. Findings summary • Accelerator running well and will likely deliver 6-7 fb-1 by end of FY09 • CDF and D0 detectors running well, some issues for 09 but no show-stoppers • CDF resources matched to needs through FY09 • Concerns about D0 people power in FY09 • Examine case for running beyond 09 at next P5 meeting (likely end of September)

  19. Recommendations summary • Tevatron should run through end of FY09 • Lab should work with D0 to augment human resources • Visitors program is highly leveraged and cost-effective • Additional Applications Physicists?

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