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Muon System Summary

Muon System Summary. Dick Loveless University of Wisconsin. Upgrade Workshop. 10 November 2011. DT Upgrade plans. PHASE 1 (2013-2014) * Replacement of theta TRB (Trigger boards) * Relocation of Sector Collector from the cavern (UXC) to the counting room (USC).

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Muon System Summary

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  1. Muon System Summary Dick Loveless University of Wisconsin Upgrade Workshop 10 November 2011

  2. DT Upgrade plans PHASE 1 (2013-2014) * Replacement of theta TRB (Trigger boards) * Relocation of Sector Collector from the cavern (UXC) to the counting room (USC) PHASE 1 following steps (not strictly tighten to LHC shutdowns): * Replacement of DTTF (DT Track Finder) * Redesign of the TSC boards (Sector Collector trigger) * Redesign of the ROS boards (Sector Collector read-out) PHASE 2 * Connection with the tracker in the Level-1 trigger system * Replacement of Minicrate electronics?? (aging…)

  3. DRIFT TUBES: TRB theta Goal: Replace all MB1s theta TRB (120 u.) with the new boards based in FPGA to increase #spares - Project is progressing satisfactorily - First PCB prototype produced and being assembled with 1 FPGA/4 BTIs

  4. 4 DRIFT TUBES: TRB theta - Testing of the board is underway - Radiation test by neutrons from d-BE @ 5.5MeV done on main components. Results show that this components are suitable for SLHC. - Further irradiation tests with the full board to take place at LHC irradiation facility H4

  5. DRIFT TUBES: TRB theta Installation in 2013-2014 MILESTONES: -Test prototype functionality during the next 2-3 months (key point to insure we don´t incorporate extra delays) -Test prototype at LNL with a full DT chamber (guarantee proper integration and final functionality) -Irradiation test of the full board in H4IRRAD (depends when access is available, May 2012?)

  6. 6 DRIFT TUBES: SC relocation Goal: Replace SC crate with simple CuOF electronics and place TSC (Trigger Sector Collector) and ROS (Read Out Server) in USC during LS1 Motivation: Reduce the critical electronics in UXC, minimizing single point of failures

  7. November 8th, 2011 7 DRIFT TUBES: SC relocation Schedule is tight aiming to parallelize as much as possible the different tasks

  8. DRIFT TUBES: Summary • * DT upgrade projects are evolving satisfactorily • * Funding does not seem to be a critical constrain at present (though detailed time profile should be reviewed) • * But… schedule is tight and there is no room for contingency: • Scenario will be clearer in the next months: • Trying to reach the critical milestones as soon as possible: full testing of the prototypes • However, also, some worries regarding interference of the different interventions that will happen during LS1, need careful planning…

  9. GEM for CMS Archana Sharma The Forward Muon RPC trigger system is equipped with detectors at η<1.6, the high η region of CMS is presently vacant and presents an opportunity to instrument it with a detector technology that could sustain the environment and be suitable for operation at the LHC and its future upgrades.

  10. The Case for GEM Combine triggering and tracking functions Enhance and optimize the readout (η-φ) granularity by improved rate capability ~ 105/mm2 Spatial/Time resolution: ~ 100 m / ~ 4-5 ns Efficiency > 98% Gas Mixture: Ar-CF4-CO2 (non flammable) Large areas ~ 1m x 2m with industrial processes (cost effective) Long term (10 years) operation experience in Compass and LHCb at CERN Large margins of operation at full efficiency

  11. Timing Studies Custom made HV divider for Standard triple-GEM Clear effect of gas mixture, and induction and drift field Timing resolution of 4 ns achieved

  12. GEM 1/1 Results RUN = 175 HV = 4.50 kV I = 738.90 uA Thr = 40 Vu η = 97.5% Position = P1 CMS/GE11_efficiency_p1_09012011 CMS/GE11_SpRes_p1_09012011 RUN = 37 – 181 Thr = 40 Vu Lat = 14 Position = P1 Data-taking focused on different points along the GE1/1 to check detector uniformity

  13. Gain – Korean vs. CERN Max gain: 3400 Max gain: 1080 33kHz/mm2 Single Mask-Single Korean GEM-config 3/2-Ar/CO2 (70/30)

  14. Gain Stability

  15. GEM Summary Fully operational GEM detectors 990 x (445 – 220 mm) have been designed and produced after long intense work on small size prototypes. With test-beams at RD51 and CMS setup with small size and full-size prototypes we demonstrated that the candidate prototype satisfies the requirements in terms of high efficiency and gain, stable safe and reliable operation at CMS-LHC Upgrade environment. At SPS-H2 and H4 we have tested the performance of full-size prototypes in 1.6T along with the timing GEM small detector

  16. Muon Tag Trigger (MTT) Yusuf Erdogan

  17. MTT Schedule

  18. ME1/1a Un-ganging in the region 2.1<|η|<2.4 ME1/1a 3-to-1 Connect. Scheme: 3 strips to one CFEB channel: LVDB With 7 DCFEBs: 1 strip → 1 channel 6 6 7 7

  19. ME1/1 Upgrade cycle 6. Loading Landau Ped. noise 5. Full FASTDAQ Tests: LV, HV. CSC passport 1.Extraction 4. Storage area: burn-in testing. Gas flow, LV=ON CFEB, LVDB Go to ME 4/2 2. CSC are in dosim. quarantine at UXC (?) 3.Old electronics disassembling new one installation. FASTDAQ tests w/o HV

  20. ME1/1 Replacement Plans • Remove ME1/1 chamber from disk: 2/3 chambers / day -- 8 hours • Remove all 72 chambers in one time period • Store them in UXC/SX5 • Crane + Cherry picker ( 2 people) • Install ME1/1 chambers: ~2/day -- 8 hours • Reinstall them in 2 time periods (36 and 36) • Crane + Cherry picker (2 people) • Board change on the installed CSC: 4-6 hours • Crane + Cherry picker (2 people)

  21. ME1/1 Conclusion • The Upgrade of ME1/1 electronics is important and challenging • The work to be done during LS1 • A lot of things not yet defined and scheduled • On-chamber Integration work is going on • Problem with Testing/ Assembling areas • Need more space than currently designated

  22. ME4/2 Schedule

  23. ME4/2 Installation • Dec 2012 (13 months from to) • 32+ chambers ready for installation • Continue building chamber for the 2nd disk • Apr 2013 • Install 31 ME4/2 on YE+3 disk • Installation takes ~1 week (space for installation fixture ~3m) • Cabling & Commissioning 1-2 months • Remove ME1/1 chambers – CFEB, LVDB boards available • Oct 2013 • 36 ME/2 chambers ready for installation • Mar 2014 • Install 36 ME4/2 on YE-3 disk • Installation takes ~1 week (space for installation fixture ~3m) • Cabling & Commissioning 1-2 months

  24. 2011: R&D prototypes, pre-production starts at end of year or early 2012 2012 Production procurements and production Vast majority of M&S spent in 2012 2013 DCFEBs ready for installation – summer ME1/1 Electronics Schedule

  25. RE4 Schedule

  26. Muon Summary • Muon systems ready for LS1 installations • RPC factory operational in early 2012 • Bakelite production starting • CSC contracts for honeycomb panels issued • Factory producing pre-production chambers • Schedule tight, but possible • DT prototyping of theta TRBs started • Sector Collector relocation schedule tight • GEM system presents interesting option • May be good choice for high-h forward region • Technical Proposal ready soon

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