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Update on Phase 2muon upgrade TP

Update on Phase 2muon upgrade TP. Recent developments: ME0 inserted into HGCAL as for other endcap calorimeters EE and basic HE driving the calor . design, not tail catcher >9.5 l Excellent simulation progress

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Update on Phase 2muon upgrade TP

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  1. Update on Phase 2muon upgrade TP • Recent developments: • ME0 inserted into HGCAL as for other endcap calorimeters • EE and basic HE driving the calor. design, not tail catcher >9.5l • Excellent simulation progress • See Cesare Calabria talk at today’s muon POG https://indico.cern.ch/event/305369/, “now we have a 2023 scenario that works with all the muon upgrades!” • TP contacts group has started assembling text for a 30-page draft • This week: LHCC upgrade presentation concentrating on R&D activities • Three slides sent as input for Didier, see backup • Upgrades Week at Karlsruhe Mar. 31-Apr. 4 • Have you registered? • First draft of the TP to be prepared

  2. From Cesare’s draft muon POG talk

  3. Proposed timeline for muon upgrade TP • March 3-7 • Have fragments of sections 1, 2, 3 • Missing sections 4, 5, 6, 7, 8, 9 • Very few figures • March 10-14 expect parts of all sections, draft figures • Urgent! • March 17-21 TP contacts work on improving readability • March 24-28 Fabrizio-organized internal review • 24th Release draft to muon IB (reading group?) • 28th Have a muon IB reading • NB presentation to USG on longevity R&D plans, Mar. 17?

  4. Decisions to be made by Upgrades Week • DT: is MTT part of the baseline plan? • Currently not. Needs specific motivation from simulation, and/or approximate cost estimate as “option”. • RPC: • Is multi-gap for fine time resolution the baseline (sim. results)? Or else, approximate additional cost estimate for R&D and production. (Back-end and front-end electronics) • CSC: • Need backup plan in case trigger group decides 10 ms not enough latency • GEM: • ME0 need to decide on baseline segmentation, “stack” • What else?

  5. Backup: three-slide summary for LHCC

  6. Longevity R&D for existing muon detectors DT minicrate • Common plans: typically late-2014 to 2017 • Detector and electronics radiation tests at GIF++ (all three subdetectors plan tests with source and beam) • Neutron and/or proton beams for electronics single event upsets • DT specific plans: • Replacement of the minicrates and upstream electronics, design 2015-20 • CSC specific plans: • CFEB rate capabilities at various latencies – verify expectations with data • RPC specific plans: • R&D on freon-less gas mixtures (LHC- and CERN-wide project) includes tests at GIF++ RPC chambers for GIF test

  7. New muon detector R&D • GEM detectors (proposed for GE1/1, GE2/1, and ME0 • Chambers: well-advanced in context of GE1/1 • 5th generation prototypes, assembly techniques optimized • GE2/1 very similar to GE1/1 but 2x larger, ME0 similar but more layers to cope with high-h rates; further industrialization, QC, and other studies ongoing • Front-end electronics: VFAT3 needed for CMS and under design • Back-end, DAQ, and trigger electronics R&D: under development for 40o GE1/1 slice test installed in YETS 2016 • Improved RPC detectors • Glass: 6 chambers to be tested at GIF++ • High rate capability and time resolution to be studied • Bakelite: • Lower resistivity, new FE electronics for lower HV, gain being developed (CMS-ATLAS-ALICE) during 2014-16 • Muon Fast Track Tag (MTT) for barrel • Fast scintillator tiles read out with SiPMs and combined with DT/RPC in L1 trigger • Study ghost suppression, efficiency and timing in HO 2014-16, develop prototypes 2014-20 GE1/1 slice test YETS 2016 VFAT3 New RPC electronics

  8. Muon Simulation R&D • Geometry of new detectors mostly complete: • Have all new detectors implemented • ME0 geometry will need refinement • Reconstruction implementation: • Rechits in all new detectors • Local reconstruction in all detectors • Global reconstruction in GE1/1 and GE2/1 • Additional capabilities under development • Effect on trigger and muon ID: • Studies well advanced for GE1/1 (e.g. lower right plot) • Preliminary studies for other stations, e.g. ME0 motivation for high-h muon tagging • Background rate estimation: • Existing detectors: comparisons of measured versus originally foreseen rates: • For 1/1, 2/1, 3/1, and 4/1 will allow straightforward estimation (only variable is sensitivity of detectors) • Ongoing studies: various complicating effects such as neutron leaks (CSC station 2), TOTEM, CASTOR • For ME0, optimization of shielding etc. needed • Depends on calorimeter detailed configuration ECFA 2013 GE2/1 ME0 GE1/1 GEM-CSC trigger combination

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