Upgrade and Physics Coordination Meeting
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Upgrade and Physics Coordination Meeting

Physics Performance Studies for the Upgrades

Jan 20, 2012

  • Meeting with representativesfrom the three TDR upgrade projects (Pixels, HCAL and L1-Trig) and the two Task Forces (Phase II Track-rigger and Forward Calorimetry), the upgrade cross-organization coordinators (Offline, Computing and PPD), and the and POGs/PAG conveners

  • Proposed Agenda

  • Intro and goals for the meeting (10min)

    • To overview status/plans for simulation work in support of the TDRs and TFs, with main focus on TDRs, and to discuss physics benchmarks and goals for follow-up Workshop Meeting in April

    • Phase 1 upgrades will be implemented 2016-2018, but must perform THROUGH LS3

    • The physics program in the year 2016, 2018, 2020, 2024 cannot be fully defined, so justification for upgrades must be established by

      • “generic” performance improvement for upgraded detector compared to (degraded) present detector) – studies with simulation of objects (particle gun, jets…)

      • Benchmark with a limited few physics channels (two per TDR?) which are representative of the gains expected

    • Simulation must have future-realistic PU conditions. Benchmark with a limited set of conditions to allow comparison of present and pre/post LS2 periods:

      • [email protected] ~ [email protected] ~ 25 PU ~ 2012 conditions

      • [email protected] ~ [email protected] ~ 50 PU

      • [email protected] ~ [email protected] ~ 100 PU

    • Benchmark the present and the upgraded detectors


  • Reports from Upgrade Projects (80min)

    • TDRs : Pixel/HCAL/L1Trigger(20min each including discussion)

    • Task Forces : Track-Trigger /Forward Calorimetry(10min each)

      • Brief summary of the upgrade concept and target benefits

      • Timescale and goals for the TDR

      • Status of simulation code (fastsim/mixedsim/fullsim) and studies. What outstanding issues?

      • Discuss physics benchmarks and requests for Physics Coordination

  • Reports from Physics Coordination (30min)

    • Status of studies and issues with current data/MC at high-PU

      • Issues for simulation/reconstruction, L1/HLT, physics analyses

      • Can present analyses and high-PU studies provide benchmarks andbe extended to higher pile-up to provide reference for current detector performance (eg high-PU performance task force…) with MC, data-mixing…

    • Proposal for physics benchmark channels

      • Specific to each TDR? Common across the detector upgrades?

      • What outstanding questions/work needed to establish a short list of physics benchmark channels

  • Discussion (30min to complete in 2.5hr)

    • Focus the near-term efforts on the TDRs – what needs to be done?

    • Meanwhile – ongoing efforts for TFs (capitalizes on TDR studies?)

    • How to proceed towards common code/releases and production

    • Goals for a workshop in early April, and what has to happen between now and then


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