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Run7 Monopole Test Experiment (Summary)

Vasily Dzhordzhadze Monopole Group Meeting, BNL July 26, 2007. Run7 Monopole Test Experiment (Summary). Outline. Introduction Run7 – Monopole Test Experiment Results Future experiments (Run8 and Run 9) Summary. September 2006 PAC Recommendations. Motivation

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Run7 Monopole Test Experiment (Summary)

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  1. Vasily Dzhordzhadze Monopole Group Meeting, BNL July 26, 2007 Run7 Monopole Test Experiment (Summary)

  2. Outline • Introduction • Run7 – Monopole Test Experiment • Results • Future experiments (Run8 and Run 9) • Summary

  3. September 2006 PAC Recommendations • Motivation The observation of a magnetic monopole would be a profound discovery in physics. However, it is very important to compare the goals of the proposed experiment with what has already been achieved in earlier experiments, for example at FNAL, in a more complete fashion than in the present proposal. • Experiment Since there is little experience with the operation of a SQUID detector in the environment of a RHIC experiment, some experimental tests would be extremely valuable and should be carried out by the proponents. The results could well lead to modifications of the experimental design or to reevaluations of the sensitivity of the search. http://www.bnl.gov/npp/docs/pac0906/chaudhari_Monopole-RHICPAC.pdf

  4. Drell-Yan Predictions at RHIC and LHC 4

  5. Expected Cross sections at RHIC and LHC 5

  6. Published MM Experimental data 6

  7. Relativistic Heavy Ion Collider

  8. RHIC Performance in Run7 8

  9. RHIC Weekly Integrated Luminosities 9

  10. RHIC Integrated Luminosities 10

  11. BNL and SBU Dewars at the BRAHMS Intersection Area SBU BNL IR2 BEAM PIPE 11

  12. Dewar Filling at the BRAHMS Area 12

  13. BRAHMS (IR2) Area BNL SBU 13

  14. 14

  15. Chipmunk at the IR2 Area 15

  16. SBU SQUID Noise response 16

  17. SBU SQUID Noise response 17

  18. BNL Gradiometer-SQUID Response Noise spectrum: beam on and off 18

  19. BNL SQUIDs Response vs BRAHMS ZDC Counts 19

  20. BNL Gradiometers-SQUIDs Response 20

  21. BNL Gradiometers-SQUIDs Response 21

  22. BNL Gradiometers-SQUIDs Response 22

  23. SQUIDs Response on Injected pseudopole 23

  24. BNL Gradiometers-SQUIDs Response 24

  25. BNL Gradiometers-SQUIDs Response 25

  26. Future RHIC Runs (8 and 9) Years 2007-2008 2008-2009 d-Au Au-Au Peak L 40 40 s(95%) = 3/(eLdt) = 5.5 x 10-32

  27. Summary • Test Run was successful • SQUIDs and Gradiometers behavior is independent from RHIC beam • Devices picking up noises from RHIC • Perfect Shielding needs to be designed • What will be noise when we open the pipe and how to protect devices? • Looking forward for DoE approval

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